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13314905 = 52662981
BaseRepresentation
bin110010110010…
…101101011001
3221001110121122
4302302231121
511402034110
61153215025
7221113652
oct62625531
927043548
1013314905
11757475a
124561475
1329b2656
141aa8529
151280255
hexcb2b59

13314905 has 4 divisors (see below), whose sum is σ = 15977892. Its totient is φ = 10651920.

The previous prime is 13314881. The next prime is 13314911. The reversal of 13314905 is 50941331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8976016 + 4338889 = 2996^2 + 2083^2 .

It is not a de Polignac number, because 13314905 - 214 = 13298521 is a prime.

It is a super-3 number, since 3×133149053 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1331486 + ... + 1331495.

It is an arithmetic number, because the mean of its divisors is an integer number (3994473).

Almost surely, 213314905 is an apocalyptic number.

It is an amenable number.

13314905 is a deficient number, since it is larger than the sum of its proper divisors (2662987).

13314905 is an equidigital number, since it uses as much as digits as its factorization.

13314905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662986.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13314905 is about 3648.9594407173. The cubic root of 13314905 is about 237.0169239044.

The spelling of 13314905 in words is "thirteen million, three hundred fourteen thousand, nine hundred five".

Divisors: 1 5 2662981 13314905