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57938328 = 2334753241
BaseRepresentation
bin1101110100000…
…1000110011000
311001000120110000
43131001012120
5104313011303
65425453000
71302316260
oct335010630
9131016400
1057938328
112a782a18
12174a1160
13c007746
1479a27a0
155146da3
hex3741198

57938328 has 160 divisors (see below), whose sum is σ = 189747360. Its totient is φ = 16174080.

The previous prime is 57938323. The next prime is 57938359. The reversal of 57938328 is 82383975.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57938323) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 240288 + ... + 240528.

It is an arithmetic number, because the mean of its divisors is an integer number (1185921).

Almost surely, 257938328 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 57938328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94873680).

57938328 is an abundant number, since it is smaller than the sum of its proper divisors (131809032).

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

57938328 is a wasteful number, since it uses less digits than its factorization.

57938328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 306 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 57938328 is about 7611.7230638010. The cubic root of 57938328 is about 386.9504173001.

The spelling of 57938328 in words is "fifty-seven million, nine hundred thirty-eight thousand, three hundred twenty-eight".