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13680606 = 232419461
BaseRepresentation
bin110100001011…
…111111011110
3221202001021010
4310023333132
512000234411
61205120050
7224166102
oct64137736
927661233
1013680606
1177a4495
1246b9026
132aacc44
141b61902
1513037a6
hexd0bfde

13680606 has 16 divisors (see below), whose sum is σ = 27477648. Its totient is φ = 4540800.

The previous prime is 13680587. The next prime is 13680613. The reversal of 13680606 is 60608631.

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, 3285 + ... + 6176.

It is an arithmetic number, because the mean of its divisors is an integer number (1717353).

Almost surely, 213680606 is an apocalyptic number.

13680606 is an abundant number, since it is smaller than the sum of its proper divisors (13797042).

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

13680606 is a wasteful number, since it uses less digits than its factorization.

13680606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9707.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 13680606 is about 3698.7303226918. The cubic root of 13680606 is about 239.1672877455.

The spelling of 13680606 in words is "thirteen million, six hundred eighty thousand, six hundred six".

Divisors: 1 2 3 6 241 482 723 1446 9461 18922 28383 56766 2280101 4560202 6840303 13680606