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30538596 = 223111731439
BaseRepresentation
bin111010001111…
…1101101100100
32010110112002010
41310133231210
530304213341
63010314220
7520400544
oct164375544
963415063
1030538596
1116269110
12a288970
13643319a
1440ad324
152a33716
hex1d1fb64

30538596 has 96 divisors (see below), whose sum is σ = 85155840. Its totient is φ = 8409600.

The previous prime is 30538561. The next prime is 30538597. The reversal of 30538596 is 69583503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30538597) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69345 + ... + 69783.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 230538596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30538596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42577920).

30538596 is an abundant number, since it is smaller than the sum of its proper divisors (54617244).

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

30538596 is a wasteful number, since it uses less digits than its factorization.

30538596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 30538596 is about 5526.1737214822. The cubic root of 30538596 is about 312.5717245500.

The spelling of 30538596 in words is "thirty million, five hundred thirty-eight thousand, five hundred ninety-six".

Divisors: 1 2 3 4 6 11 12 17 22 31 33 34 44 51 62 66 68 93 102 124 132 186 187 204 341 372 374 439 527 561 682 748 878 1023 1054 1122 1317 1364 1581 1756 2046 2108 2244 2634 3162 4092 4829 5268 5797 6324 7463 9658 11594 13609 14487 14926 17391 19316 22389 23188 27218 28974 29852 34782 40827 44778 54436 57948 69564 81654 82093 89556 149699 163308 164186 231353 246279 299398 328372 449097 462706 492558 598796 694059 898194 925412 985116 1388118 1796388 2544883 2776236 5089766 7634649 10179532 15269298 30538596