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13156630 = 251518713
BaseRepresentation
bin110010001100…
…000100010110
3220202102111121
4302030010112
511332003010
61145554154
7216554344
oct62140426
926672447
1013156630
117476853
1244a595a
1329585b6
141a66994
15124d3da
hexc8c116

13156630 has 16 divisors (see below), whose sum is σ = 23841504. Its totient is φ = 5227200.

The previous prime is 13156609. The next prime is 13156631. The reversal of 13156630 is 3665131.

It is a junction number, because it is equal to n+sod(n) for n = 13156595 and 13156604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156631) 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, 2847 + ... + 5866.

It is an arithmetic number, because the mean of its divisors is an integer number (1490094).

Almost surely, 213156630 is an apocalyptic number.

13156630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13156630 is a deficient number, since it is larger than the sum of its proper divisors (10684874).

13156630 is a wasteful number, since it uses less digits than its factorization.

13156630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8871.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 13156630 is about 3627.2069144178. The cubic root of 13156630 is about 236.0740335576.

The spelling of 13156630 in words is "thirteen million, one hundred fifty-six thousand, six hundred thirty".

Divisors: 1 2 5 10 151 302 755 1510 8713 17426 43565 87130 1315663 2631326 6578315 13156630