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13420674 = 2331571583
BaseRepresentation
bin110011001100…
…100010000010
3221020211201000
4303030202002
511413430144
61155352430
7222034221
oct63144202
927224630
1013420674
117637173
1245b2716
132a1b837
141ad4cb8
1512a1769
hexccc882

13420674 has 32 divisors (see below), whose sum is σ = 30032640. Its totient is φ = 4442256.

The previous prime is 13420663. The next prime is 13420691. The reversal of 13420674 is 47602431.

It is a super-2 number, since 2×134206742 = 360228981228552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7687 + ... + 9269.

It is an arithmetic number, because the mean of its divisors is an integer number (938520).

Almost surely, 213420674 is an apocalyptic number.

13420674 is an abundant number, since it is smaller than the sum of its proper divisors (16611966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13420674 is a wasteful number, since it uses less digits than its factorization.

13420674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751 (or 1745 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 13420674 is about 3663.4238084066. The cubic root of 13420674 is about 237.6428628925.

The spelling of 13420674 in words is "thirteen million, four hundred twenty thousand, six hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 157 314 471 942 1413 1583 2826 3166 4239 4749 8478 9498 14247 28494 42741 85482 248531 497062 745593 1491186 2236779 4473558 6710337 13420674