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57017 = 233767
BaseRepresentation
bin1101111010111001
32220012202
431322321
53311032
61115545
7325142
oct157271
986182
1057017
1139924
1228bb5
131cc4c
1416ac9
1511d62
hexdeb9

57017 has 8 divisors (see below), whose sum is σ = 62016. Its totient is φ = 52272.

The previous prime is 56999. The next prime is 57037. The reversal of 57017 is 71075.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57017.

It is not an unprimeable number, because it can be changed into a prime (57037) 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 7 ways as a sum of consecutive naturals, for example, 818 + ... + 884.

It is an arithmetic number, because the mean of its divisors is an integer number (7752).

257017 is an apocalyptic number.

It is an amenable number.

57017 is a deficient number, since it is larger than the sum of its proper divisors (4999).

57017 is a wasteful number, since it uses less digits than its factorization.

57017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127.

The product of its (nonzero) digits is 245, while the sum is 20.

The square root of 57017 is about 238.7823276543. The cubic root of 57017 is about 38.4888369277.

The spelling of 57017 in words is "fifty-seven thousand, seventeen".

Divisors: 1 23 37 67 851 1541 2479 57017