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13349131 = 172334141
BaseRepresentation
bin110010111011…
…000100001011
3221010012120021
4302323010023
511404133011
61154041311
7221315515
oct62730413
927105507
1013349131
117598444
124579237
1329c50c3
141ab6bb5
15128a471
hexcbb10b

13349131 has 8 divisors (see below), whose sum is σ = 14749344. Its totient is φ = 12017280.

The previous prime is 13349129. The next prime is 13349159. The reversal of 13349131 is 13194331.

13349131 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 13349131 - 21 = 13349129 is a prime.

It is a super-2 number, since 2×133491312 = 356398596910322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13349096 and 13349105.

It is not an unprimeable number, because it can be changed into a prime (13349111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16680 + ... + 17461.

It is an arithmetic number, because the mean of its divisors is an integer number (1843668).

Almost surely, 213349131 is an apocalyptic number.

13349131 is a deficient number, since it is larger than the sum of its proper divisors (1400213).

13349131 is a wasteful number, since it uses less digits than its factorization.

13349131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34181.

The product of its digits is 972, while the sum is 25.

The square root of 13349131 is about 3653.6462609289. The cubic root of 13349131 is about 237.2198343616.

The spelling of 13349131 in words is "thirteen million, three hundred forty-nine thousand, one hundred thirty-one".

Divisors: 1 17 23 391 34141 580397 785243 13349131