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57938 = 259491
BaseRepresentation
bin1110001001010010
32221110212
432021102
53323223
61124122
7330626
oct161122
987425
1057938
113a591
1229642
13204aa
1417186
1512278
hexe252

57938 has 8 divisors (see below), whose sum is σ = 88560. Its totient is φ = 28420.

The previous prime is 57923. The next prime is 57943. The reversal of 57938 is 83975.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a plaindrome in base 15.

It is an unprimeable number.

57938 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 363.

It is an arithmetic number, because the mean of its divisors is an integer number (11070).

257938 is an apocalyptic number.

57938 is a deficient number, since it is larger than the sum of its proper divisors (30622).

57938 is a wasteful number, since it uses less digits than its factorization.

57938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 7560, while the sum is 32.

The square root of 57938 is about 240.7031366642. The cubic root of 57938 is about 38.6949687099.

Adding to 57938 its sum of digits (32), we get a triangular number (57970 = T340).

The spelling of 57938 in words is "fifty-seven thousand, nine hundred thirty-eight".

Divisors: 1 2 59 118 491 982 28969 57938