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13406142 = 237928283
BaseRepresentation
bin110011001000…
…111110111110
3221020002202210
4303020332332
511412444032
61155201250
7221643651
oct63107676
927202683
1013406142
117627262
1245a6226
132a15039
141acd898
15129c2cc
hexcc8fbe

13406142 has 16 divisors (see below), whose sum is σ = 27152640. Its totient is φ = 4411992.

The previous prime is 13406131. The next prime is 13406179. The reversal of 13406142 is 24160431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13668 + ... + 14615.

It is an arithmetic number, because the mean of its divisors is an integer number (1697040).

Almost surely, 213406142 is an apocalyptic number.

13406142 is an abundant number, since it is smaller than the sum of its proper divisors (13746498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13406142 is a wasteful number, since it uses less digits than its factorization.

13406142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28367.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13406142 is about 3661.4398807027. The cubic root of 13406142 is about 237.5570581285.

Adding to 13406142 its reverse (24160431), we get a palindrome (37566573).

The spelling of 13406142 in words is "thirteen million, four hundred six thousand, one hundred forty-two".

Divisors: 1 2 3 6 79 158 237 474 28283 56566 84849 169698 2234357 4468714 6703071 13406142