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52406244 = 223311311423
BaseRepresentation
bin1100011111101…
…0011111100100
310122121111212000
43013322133210
5101403444434
65111125300
71204305612
oct307723744
9118544760
1052406244
1127644650
1215673830
13ab1b717
146d626b2
154902b99
hex31fa7e4

52406244 has 96 divisors (see below), whose sum is σ = 153108480. Its totient is φ = 15357600.

The previous prime is 52406227. The next prime is 52406279. The reversal of 52406244 is 44260425.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36117 + ... + 37539.

It is an arithmetic number, because the mean of its divisors is an integer number (1594880).

Almost surely, 252406244 is an apocalyptic number.

52406244 is a gapful number since it is divisible by the number (54) 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 52406244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76554240).

52406244 is an abundant number, since it is smaller than the sum of its proper divisors (100702236).

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

52406244 is a wasteful number, since it uses less digits than its factorization.

52406244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 52406244 is about 7239.2157033756. The cubic root of 52406244 is about 374.2205891723.

Adding to 52406244 its reverse (44260425), we get a palindrome (96666669).

It can be divided in two parts, 52406 and 244, that added together give a triangular number (52650 = T324).

The spelling of 52406244 in words is "fifty-two million, four hundred six thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 31 33 36 44 54 62 66 93 99 108 124 132 186 198 279 297 341 372 396 558 594 682 837 1023 1116 1188 1364 1423 1674 2046 2846 3069 3348 4092 4269 5692 6138 8538 9207 12276 12807 15653 17076 18414 25614 31306 36828 38421 44113 46959 51228 62612 76842 88226 93918 132339 140877 153684 176452 187836 264678 281754 397017 422631 485243 529356 563508 794034 845262 970486 1191051 1455729 1588068 1690524 1940972 2382102 2911458 4367187 4764204 5822916 8734374 13101561 17468748 26203122 52406244