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13523314 = 272137993
BaseRepresentation
bin110011100101…
…100101110010
3221110001111111
4303211211302
511430221224
61201503534
7222642400
oct63454562
927401444
1013523314
1176a72a2
124641baa
132a5647c
141b20470
1512c1d94
hexce5972

13523314 has 12 divisors (see below), whose sum is σ = 23596974. Its totient is φ = 5795664.

The previous prime is 13523311. The next prime is 13523329. The reversal of 13523314 is 41332531.

It can be written as a sum of positive squares in only one way, i.e., 13505625 + 17689 = 3675^2 + 133^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (13523311) 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 5 ways as a sum of consecutive naturals, for example, 68899 + ... + 69094.

Almost surely, 213523314 is an apocalyptic number.

13523314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13523314 is a deficient number, since it is larger than the sum of its proper divisors (10073660).

13523314 is a wasteful number, since it uses less digits than its factorization.

13523314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138009 (or 138002 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 13523314 is about 3677.4058791491. The cubic root of 13523314 is about 238.2471481076.

Adding to 13523314 its reverse (41332531), we get a palindrome (54855845).

The spelling of 13523314 in words is "thirteen million, five hundred twenty-three thousand, three hundred fourteen".

Divisors: 1 2 7 14 49 98 137993 275986 965951 1931902 6761657 13523314