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13074243 = 371383577
BaseRepresentation
bin110001110111…
…111101000011
3220121020111020
4301313331003
511321333433
61144120523
7216062220
oct61677503
926536436
1013074243
11741a966
124466143
132929c50
141a44947
151233cb3
hexc77f43

13074243 has 32 divisors (see below), whose sum is σ = 21751296. Its totient is φ = 6801408.

The previous prime is 13074239. The next prime is 13074247. The reversal of 13074243 is 34247031.

13074243 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13074239) and next prime (13074247).

It is not a de Polignac number, because 13074243 - 22 = 13074239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13074247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22371 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (679728).

Almost surely, 213074243 is an apocalyptic number.

13074243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13074243 is a deficient number, since it is larger than the sum of its proper divisors (8677053).

13074243 is a wasteful number, since it uses less digits than its factorization.

13074243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 13074243 is about 3615.8322693399. The cubic root of 13074243 is about 235.5802351009.

The spelling of 13074243 in words is "thirteen million, seventy-four thousand, two hundred forty-three".

Divisors: 1 3 7 13 21 39 83 91 249 273 577 581 1079 1731 1743 3237 4039 7501 7553 12117 22503 22659 47891 52507 143673 157521 335237 622583 1005711 1867749 4358081 13074243