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13958906 = 2134711423
BaseRepresentation
bin110101001111…
…111011111010
3222021012000112
4311033323322
512033141111
61215104322
7226435343
oct65177372
928235015
1013958906
117974595
1248120a2
132b79810
141bd50ca
15135ae8b
hexd4fefa

13958906 has 16 divisors (see below), whose sum is σ = 23030784. Its totient is φ = 6304944.

The previous prime is 13958873. The next prime is 13958909. The reversal of 13958906 is 60985931.

It is not an unprimeable number, because it can be changed into a prime (13958909) 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, 4490 + ... + 6933.

It is an arithmetic number, because the mean of its divisors is an integer number (1439424).

Almost surely, 213958906 is an apocalyptic number.

13958906 is a deficient number, since it is larger than the sum of its proper divisors (9071878).

13958906 is a wasteful number, since it uses less digits than its factorization.

13958906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11485.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 13958906 is about 3736.1619343920. The cubic root of 13958906 is about 240.7781801070.

It can be divided in two parts, 1395 and 8906, that added together give a palindrome (10301).

The spelling of 13958906 in words is "thirteen million, nine hundred fifty-eight thousand, nine hundred six".

Divisors: 1 2 13 26 47 94 611 1222 11423 22846 148499 296998 536881 1073762 6979453 13958906