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3157056 = 2635729
BaseRepresentation
bin1100000010110001000000
312221101200000
430002301000
51302011211
6151400000
735556150
oct14026100
95841600
103157056
111866a41
121083000
13866ca6
145c2760
15425656
hex302c40

3157056 has 168 divisors, whose sum is σ = 11094720. Its totient is φ = 870912.

The previous prime is 3157013. The next prime is 3157057. The reversal of 3157056 is 6507513.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108850 + ... + 108878.

It is an arithmetic number, because the mean of its divisors is an integer number (66040).

Almost surely, 23157056 is an apocalyptic number.

3157056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3157056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5547360).

3157056 is an abundant number, since it is smaller than the sum of its proper divisors (7937664).

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

3157056 is an equidigital number, since it uses as much as digits as its factorization.

3157056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 27.

The square root of 3157056 is about 1776.8106258124. The cubic root of 3157056 is about 146.6990929222.

It can be divided in two parts, 31570 and 56, that added together give a triangular number (31626 = T251).

The spelling of 3157056 in words is "three million, one hundred fifty-seven thousand, fifty-six".