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57933842 = 228966921
BaseRepresentation
bin1101110100000…
…0000000010010
311001000100021212
43131000000102
5104312340332
65425420122
71302300221
oct335000022
9131010255
1057933842
112a77a60a
121749a642
13c0056a5
1479a0cb8
1551458b2
hex3740012

57933842 has 4 divisors (see below), whose sum is σ = 86900766. Its totient is φ = 28966920.

The previous prime is 57933817. The next prime is 57933847. The reversal of 57933842 is 24833975.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44102881 + 13830961 = 6641^2 + 3719^2 .

It is a super-3 number, since 3×579338423 (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57933842.

It is not an unprimeable number, because it can be changed into a prime (57933847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14483459 + ... + 14483462.

Almost surely, 257933842 is an apocalyptic number.

57933842 is a deficient number, since it is larger than the sum of its proper divisors (28966924).

57933842 is a wasteful number, since it uses less digits than its factorization.

57933842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28966923.

The product of its digits is 181440, while the sum is 41.

The square root of 57933842 is about 7611.4283810596. The cubic root of 57933842 is about 386.9404302188.

The spelling of 57933842 in words is "fifty-seven million, nine hundred thirty-three thousand, eight hundred forty-two".

Divisors: 1 2 28966921 57933842