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BaseRepresentation
bin1101111100001110
32220022220
431330032
53311402
61120210
7325323
oct157416
986286
1057102
11399a1
1229066
131ccb6
1416b4a
1511dbc
hexdf0e

57102 has 16 divisors (see below), whose sum is σ = 118272. Its totient is φ = 18360.

The previous prime is 57097. The next prime is 57107. The reversal of 57102 is 20175.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57097) and next prime (57107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33 + ... + 339.

It is an arithmetic number, because the mean of its divisors is an integer number (7392).

257102 is an apocalyptic number.

57102 is an abundant number, since it is smaller than the sum of its proper divisors (61170).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59136).

57102 is a wasteful number, since it uses less digits than its factorization.

57102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 57102 is about 238.9602477401. The cubic root of 57102 is about 38.5079536050.

Adding to 57102 its reverse (20175), we get a palindrome (77277).

The spelling of 57102 in words is "fifty-seven thousand, one hundred two".