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13293369 = 331925913
BaseRepresentation
bin110010101101…
…011100111001
3221000101002000
4302231130321
511400341434
61152531213
7220664115
oct62553471
927011060
1013293369
11755a561
124550b09
1329a58cb
141aa0745
151278b99
hexcad739

13293369 has 16 divisors (see below), whose sum is σ = 20731200. Its totient is φ = 8395488.

The previous prime is 13293361. The next prime is 13293377. The reversal of 13293369 is 96339231.

It is a happy number.

13293369 is a `hidden beast` number, since 1 + 3 + 293 + 369 = 666.

It is an interprime number because it is at equal distance from previous prime (13293361) and next prime (13293377).

It is not a de Polignac number, because 13293369 - 23 = 13293361 is a prime.

It is a super-2 number, since 2×132933692 = 353427318740322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13293361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12444 + ... + 13469.

It is an arithmetic number, because the mean of its divisors is an integer number (1295700).

Almost surely, 213293369 is an apocalyptic number.

13293369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13293369 is a deficient number, since it is larger than the sum of its proper divisors (7437831).

13293369 is a wasteful number, since it uses less digits than its factorization.

13293369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25941 (or 25935 counting only the distinct ones).

The product of its digits is 26244, while the sum is 36.

The square root of 13293369 is about 3646.0072682319. The cubic root of 13293369 is about 236.8890684181.

The spelling of 13293369 in words is "thirteen million, two hundred ninety-three thousand, three hundred sixty-nine".

Divisors: 1 3 9 19 27 57 171 513 25913 77739 233217 492347 699651 1477041 4431123 13293369