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13672645 = 57390647
BaseRepresentation
bin110100001010…
…000011000101
3221201122100021
4310022003011
512000011040
61205015141
7224133640
oct64120305
927648307
1013672645
117799508
1246b44b1
132aa942c
141b5ca57
15130124a
hexd0a0c5

13672645 has 8 divisors (see below), whose sum is σ = 18751104. Its totient is φ = 9375504.

The previous prime is 13672627. The next prime is 13672663. The reversal of 13672645 is 54627631.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13672627) and next prime (13672663).

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 13672645 - 27 = 13672517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13672645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195289 + ... + 195358.

It is an arithmetic number, because the mean of its divisors is an integer number (2343888).

Almost surely, 213672645 is an apocalyptic number.

It is an amenable number.

13672645 is a deficient number, since it is larger than the sum of its proper divisors (5078459).

13672645 is an equidigital number, since it uses as much as digits as its factorization.

13672645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390659.

The product of its digits is 30240, while the sum is 34.

The square root of 13672645 is about 3697.6539859754. The cubic root of 13672645 is about 239.1208867741.

The spelling of 13672645 in words is "thirteen million, six hundred seventy-two thousand, six hundred forty-five".

Divisors: 1 5 7 35 390647 1953235 2734529 13672645