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30024120 = 23357311153
BaseRepresentation
bin111001010001…
…0000110111000
32002111101100110
41302202012320
530141232440
62551304320
7513125610
oct162420670
962441313
1030024120
1115a47625
12a07b0a0
1362b2c69
143db7a40
152981080
hex1ca21b8

30024120 has 128 divisors (see below), whose sum is σ = 106352640. Its totient is φ = 6635520.

The previous prime is 30024109. The next prime is 30024133. The reversal of 30024120 is 2142003.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 30024096 and 30024105.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 25464 + ... + 26616.

It is an arithmetic number, because the mean of its divisors is an integer number (830880).

Almost surely, 230024120 is an apocalyptic number.

30024120 is a gapful number since it is divisible by the number (30) 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 30024120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53176320).

30024120 is an abundant number, since it is smaller than the sum of its proper divisors (76328520).

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

30024120 is a wasteful number, since it uses less digits than its factorization.

30024120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205 (or 1201 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 30024120 is about 5479.4269773399. The cubic root of 30024120 is about 310.8065021191.

Adding to 30024120 its reverse (2142003), we get a palindrome (32166123).

The spelling of 30024120 in words is "thirty million, twenty-four thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 31 35 40 42 56 60 62 70 84 93 105 120 124 140 155 168 186 210 217 248 280 310 372 420 434 465 620 651 744 840 868 930 1085 1153 1240 1302 1736 1860 2170 2306 2604 3255 3459 3720 4340 4612 5208 5765 6510 6918 8071 8680 9224 11530 13020 13836 16142 17295 23060 24213 26040 27672 32284 34590 35743 40355 46120 48426 64568 69180 71486 80710 96852 107229 121065 138360 142972 161420 178715 193704 214458 242130 250201 285944 322840 357430 428916 484260 500402 536145 714860 750603 857832 968520 1000804 1072290 1251005 1429720 1501206 2001608 2144580 2502010 3002412 3753015 4289160 5004020 6004824 7506030 10008040 15012060 30024120