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5156831 = 171631861
BaseRepresentation
bin10011101010111111011111
3100200222211202
4103222333133
52310004311
6302310115
761555331
oct23527737
910628752
105156831
112a02449
12188833b
1310b72a4
14983451
156bce3b
hex4eafdf

5156831 has 8 divisors (see below), whose sum is σ = 5496624. Its totient is φ = 4821120.

The previous prime is 5156813. The next prime is 5156839. The reversal of 5156831 is 1386515.

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-5156831 is a prime.

It is a super-2 number, since 2×51568312 = 53185811925122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5156794 and 5156803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5156839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841 + ... + 3701.

It is an arithmetic number, because the mean of its divisors is an integer number (687078).

Almost surely, 25156831 is an apocalyptic number.

5156831 is a deficient number, since it is larger than the sum of its proper divisors (339793).

5156831 is a wasteful number, since it uses less digits than its factorization.

5156831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041.

The product of its digits is 3600, while the sum is 29.

The square root of 5156831 is about 2270.8656939590. The cubic root of 5156831 is about 172.7670693242.

The spelling of 5156831 in words is "five million, one hundred fifty-six thousand, eight hundred thirty-one".

Divisors: 1 17 163 1861 2771 31637 303343 5156831