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57068 = 22111297
BaseRepresentation
bin1101111011101100
32220021122
431323230
53311233
61120112
7325244
oct157354
986248
1057068
1139970
1229038
131cc8b
1416b24
1511d98
hexdeec

57068 has 12 divisors (see below), whose sum is σ = 109032. Its totient is φ = 25920.

The previous prime is 57059. The next prime is 57073. The reversal of 57068 is 86075.

It is an Ulam number.

It is an unprimeable number.

57068 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605 + ... + 692.

It is an arithmetic number, because the mean of its divisors is an integer number (9086).

257068 is an apocalyptic number.

It is an amenable number.

57068 is a deficient number, since it is larger than the sum of its proper divisors (51964).

57068 is a wasteful number, since it uses less digits than its factorization.

57068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 57068 is about 238.8890956071. The cubic root of 57068 is about 38.5003092121.

The spelling of 57068 in words is "fifty-seven thousand, sixty-eight".

Divisors: 1 2 4 11 22 44 1297 2594 5188 14267 28534 57068