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5156943 = 31131712
BaseRepresentation
bin10011101011000001001111
3100200222222220
4103223001033
52310010233
6302310423
761555551
oct23530117
910628886
105156943
112a02540
121888413
1310b735c
149834d1
156bceb3
hex4eb04f

5156943 has 24 divisors (see below), whose sum is σ = 7853568. Its totient is φ = 2982000.

The previous prime is 5156941. The next prime is 5156951. The reversal of 5156943 is 3496515.

It is a happy number.

It is not a de Polignac number, because 5156943 - 21 = 5156941 is a prime.

It is a super-2 number, since 2×51569432 = 53188122210498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156941) 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, 72598 + ... + 72668.

It is an arithmetic number, because the mean of its divisors is an integer number (327232).

Almost surely, 25156943 is an apocalyptic number.

5156943 is a deficient number, since it is larger than the sum of its proper divisors (2696625).

5156943 is a wasteful number, since it uses less digits than its factorization.

5156943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 116 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 5156943 is about 2270.8903540242. The cubic root of 5156943 is about 172.7683200776.

The spelling of 5156943 in words is "five million, one hundred fifty-six thousand, nine hundred forty-three".

Divisors: 1 3 11 31 33 71 93 213 341 781 1023 2201 2343 5041 6603 15123 24211 55451 72633 156271 166353 468813 1718981 5156943