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13672947 = 3171272111
BaseRepresentation
bin110100001010…
…000111110011
3221201122202110
4310022013303
512000013242
61205020403
7224134551
oct64120763
927648673
1013672947
117799762
1246b4703
132aa9602
141b5cbd1
15130139c
hexd0a1f3

13672947 has 16 divisors (see below), whose sum is σ = 19464192. Its totient is φ = 8507520.

The previous prime is 13672937. The next prime is 13672963. The reversal of 13672947 is 74927631.

13672947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13672947 - 27 = 13672819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13672907) 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, 5422 + ... + 7532.

It is an arithmetic number, because the mean of its divisors is an integer number (1216512).

Almost surely, 213672947 is an apocalyptic number.

13672947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13672947 is a deficient number, since it is larger than the sum of its proper divisors (5791245).

13672947 is a wasteful number, since it uses less digits than its factorization.

13672947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258.

The product of its digits is 63504, while the sum is 39.

The square root of 13672947 is about 3697.6948224536. The cubic root of 13672947 is about 239.1226473205.

The spelling of 13672947 in words is "thirteen million, six hundred seventy-two thousand, nine hundred forty-seven".

Divisors: 1 3 17 51 127 381 2111 2159 6333 6477 35887 107661 268097 804291 4557649 13672947