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13894905 = 35926327
BaseRepresentation
bin110101000000…
…010011111001
3222010221020010
4311000103321
512024114110
61213452133
7226050633
oct65002371
928127203
1013894905
1179304a2
1247a1049
132b5664b
141bb9a53
151347020
hexd404f9

13894905 has 8 divisors (see below), whose sum is σ = 22231872. Its totient is φ = 7410608.

The previous prime is 13894889. The next prime is 13894927. The reversal of 13894905 is 50949831.

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 13894905 - 24 = 13894889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463149 + ... + 463178.

It is an arithmetic number, because the mean of its divisors is an integer number (2778984).

Almost surely, 213894905 is an apocalyptic number.

13894905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13894905 is a deficient number, since it is larger than the sum of its proper divisors (8336967).

13894905 is an equidigital number, since it uses as much as digits as its factorization.

13894905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926335.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 13894905 is about 3727.5870211170. The cubic root of 13894905 is about 240.4096303092.

The spelling of 13894905 in words is "thirteen million, eight hundred ninety-four thousand, nine hundred five".

Divisors: 1 3 5 15 926327 2778981 4631635 13894905