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13056310 = 251737547
BaseRepresentation
bin110001110011…
…100100110110
3220120022220001
4301303210312
511320300220
61143501514
7215656021
oct61634466
926508801
1013056310
117408443
12445789a
132921a37
141a3c1b8
15122d80a
hexc73936

13056310 has 16 divisors (see below), whose sum is σ = 23640336. Its totient is φ = 5191648.

The previous prime is 13056229. The next prime is 13056311. The reversal of 13056310 is 1365031.

It is a super-2 number, since 2×130563102 = 340934461632200, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044 + ... + 5503.

It is an arithmetic number, because the mean of its divisors is an integer number (1477521).

Almost surely, 213056310 is an apocalyptic number.

13056310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13056310 is a deficient number, since it is larger than the sum of its proper divisors (10584026).

13056310 is a wasteful number, since it uses less digits than its factorization.

13056310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 13056310 is about 3613.3516297200. The cubic root of 13056310 is about 235.4724763220.

It can be divided in two parts, 13056 and 310, that added together give a triangular number (13366 = T163).

The spelling of 13056310 in words is "thirteen million, fifty-six thousand, three hundred ten".

Divisors: 1 2 5 10 173 346 865 1730 7547 15094 37735 75470 1305631 2611262 6528155 13056310