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3157253 = 11297269
BaseRepresentation
bin1100000010110100000101
312221101221022
430002310011
51302013003
6151400525
735556551
oct14026405
95841838
103157253
111867100
121083145
138670c8
145c2861
15425738
hex302d05

3157253 has 12 divisors (see below), whose sum is σ = 3519180. Its totient is φ = 2830080.

The previous prime is 3157243. The next prime is 3157277. The reversal of 3157253 is 3527513.

It can be written as a sum of positive squares in 2 ways, for example, as 717409 + 2439844 = 847^2 + 1562^2 .

It is not a de Polignac number, because 3157253 - 28 = 3156997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11603 + ... + 11871.

It is an arithmetic number, because the mean of its divisors is an integer number (293265).

Almost surely, 23157253 is an apocalyptic number.

It is an amenable number.

3157253 is a deficient number, since it is larger than the sum of its proper divisors (361927).

3157253 is a wasteful number, since it uses less digits than its factorization.

3157253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 377 counting only the distinct ones).

The product of its digits is 3150, while the sum is 26.

The square root of 3157253 is about 1776.8660613563. The cubic root of 3157253 is about 146.7021441953.

The spelling of 3157253 in words is "three million, one hundred fifty-seven thousand, two hundred fifty-three".

Divisors: 1 11 97 121 269 1067 2959 11737 26093 32549 287023 3157253