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13431310 = 252322539
BaseRepresentation
bin110011001111…
…001000001110
3221021101021221
4303033020032
511414300220
61155513554
7222110224
oct63171016
927241257
1013431310
117644162
1245b88ba
132a23629
141ad8b14
1512a49aa
hexccf20e

13431310 has 24 divisors (see below), whose sum is σ = 25283160. Its totient is φ = 5136912.

The previous prime is 13431251. The next prime is 13431323. The reversal of 13431310 is 1313431.

13431310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×134313102 = 360800176632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4021 + ... + 6559.

It is an arithmetic number, because the mean of its divisors is an integer number (1053465).

Almost surely, 213431310 is an apocalyptic number.

13431310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13431310 is a deficient number, since it is larger than the sum of its proper divisors (11851850).

13431310 is a wasteful number, since it uses less digits than its factorization.

13431310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592 (or 2569 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13431310 is about 3664.8751684061. The cubic root of 13431310 is about 237.7056243226.

Adding to 13431310 its reverse (1313431), we get a palindrome (14744741).

The spelling of 13431310 in words is "thirteen million, four hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 23 46 115 230 529 1058 2539 2645 5078 5290 12695 25390 58397 116794 291985 583970 1343131 2686262 6715655 13431310