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13906867 = 131762927
BaseRepresentation
bin110101000011…
…001110110011
3222011112122011
4311003032303
512030004432
61214023351
7226130542
oct65031663
928145564
1013906867
117939487
1247a7b57
132b5bc20
141bc0159
15134a847
hexd433b3

13906867 has 8 divisors (see below), whose sum is σ = 15857856. Its totient is φ = 12081792.

The previous prime is 13906861. The next prime is 13906883. The reversal of 13906867 is 76860931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13906867 - 23 = 13906859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13906861) 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, 31243 + ... + 31684.

It is an arithmetic number, because the mean of its divisors is an integer number (1982232).

Almost surely, 213906867 is an apocalyptic number.

13906867 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13906867 is a deficient number, since it is larger than the sum of its proper divisors (1950989).

13906867 is a wasteful number, since it uses less digits than its factorization.

13906867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62957.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 13906867 is about 3729.1911991744. The cubic root of 13906867 is about 240.4785993581.

The spelling of 13906867 in words is "thirteen million, nine hundred six thousand, eight hundred sixty-seven".

Divisors: 1 13 17 221 62927 818051 1069759 13906867