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30532892 = 2213231247
BaseRepresentation
bin111010001111…
…0010100011100
32010110020020212
41310132110130
530304023032
63010231552
7520345115
oct164362434
963406225
1030532892
11162648a5
12a2855b8
136430700
1440ab20c
152a31bb2
hex1d1e51c

30532892 has 54 divisors (see below), whose sum is σ = 61057584. Its totient is φ = 13347360.

The previous prime is 30532883. The next prime is 30532921. The reversal of 30532892 is 29823503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 649613 + ... + 649659.

It is an arithmetic number, because the mean of its divisors is an integer number (1130696).

Almost surely, 230532892 is an apocalyptic number.

It is an amenable number.

30532892 is a deficient number, since it is larger than the sum of its proper divisors (30524692).

30532892 is a wasteful number, since it uses less digits than its factorization.

30532892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30532892 is about 5525.6576079232. The cubic root of 30532892 is about 312.5522626191.

The spelling of 30532892 in words is "thirty million, five hundred thirty-two thousand, eight hundred ninety-two".

Divisors: 1 2 4 13 26 31 47 52 62 94 124 169 188 338 403 611 676 806 961 1222 1457 1612 1922 2444 2914 3844 5239 5828 7943 10478 12493 15886 18941 20956 24986 31772 37882 45167 49972 75764 90334 162409 180668 246233 324818 492466 587171 649636 984932 1174342 2348684 7633223 15266446 30532892