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57903632 = 2417212881
BaseRepresentation
bin1101110011100…
…0101000010000
311000221210211222
43130320220100
5104310404012
65425024212
71302113153
oct334705020
9130853758
1057903632
112a759946
1217485068
13bcc4a07
147993c9a
15513b972
hex3738a10

57903632 has 20 divisors (see below), whose sum is σ = 118788156. Its totient is φ = 27248640.

The previous prime is 57903623. The next prime is 57903653. The reversal of 57903632 is 23630975.

It can be written as a sum of positive squares in 2 ways, for example, as 35473936 + 22429696 = 5956^2 + 4736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57903592 and 57903601.

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 3 ways as a sum of consecutive naturals, for example, 106169 + ... + 106712.

Almost surely, 257903632 is an apocalyptic number.

It is an amenable number.

57903632 is an abundant number, since it is smaller than the sum of its proper divisors (60884524).

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

57903632 is a wasteful number, since it uses less digits than its factorization.

57903632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212906 (or 212900 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 35.

The square root of 57903632 is about 7609.4436064669. The cubic root of 57903632 is about 386.8731609427.

The spelling of 57903632 in words is "fifty-seven million, nine hundred three thousand, six hundred thirty-two".

Divisors: 1 2 4 8 16 17 34 68 136 272 212881 425762 851524 1703048 3406096 3618977 7237954 14475908 28951816 57903632