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2472120 = 233457109
BaseRepresentation
bin1001011011100010111000
311122121010000
421123202320
51113101440
6124553000
730004230
oct11334270
94577100
102472120
111439382
129b2760
136872c1
14484cc0
1533c730
hex25b8b8

2472120 has 160 divisors (see below), whose sum is σ = 9583200. Its totient is φ = 559872.

The previous prime is 2472097. The next prime is 2472121. The reversal of 2472120 is 212742.

2472120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×24721202 = 12222754588800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2472093 and 2472102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22626 + ... + 22734.

It is an arithmetic number, because the mean of its divisors is an integer number (59895).

22472120 is an apocalyptic number.

2472120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2472120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4791600).

2472120 is an abundant number, since it is smaller than the sum of its proper divisors (7111080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2472120 is a wasteful number, since it uses less digits than its factorization.

2472120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2472120 is about 1572.2976817384. The cubic root of 2472120 is about 135.2144739006.

Adding to 2472120 its reverse (212742), we get a palindrome (2684862).

The spelling of 2472120 in words is "two million, four hundred seventy-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 81 84 90 105 108 109 120 126 135 140 162 168 180 189 210 216 218 252 270 280 315 324 327 360 378 405 420 436 504 540 545 567 630 648 654 756 763 810 840 872 945 981 1080 1090 1134 1260 1308 1512 1526 1620 1635 1890 1962 2180 2268 2289 2520 2616 2835 2943 3052 3240 3270 3780 3815 3924 4360 4536 4578 4905 5670 5886 6104 6540 6867 7560 7630 7848 8829 9156 9810 11340 11445 11772 13080 13734 14715 15260 17658 18312 19620 20601 22680 22890 23544 27468 29430 30520 34335 35316 39240 41202 44145 45780 54936 58860 61803 68670 70632 82404 88290 91560 103005 117720 123606 137340 164808 176580 206010 247212 274680 309015 353160 412020 494424 618030 824040 1236060 2472120