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13770804 = 2231147567
BaseRepresentation
bin110100100010…
…000000110100
3221220121222210
4310202000310
512011131204
61211053420
7225023055
oct64420064
927817883
1013770804
117856233
124741270
132b12008
141b8672c
151320389
hexd22034

13770804 has 12 divisors (see below), whose sum is σ = 32131904. Its totient is φ = 4590264.

The previous prime is 13770803. The next prime is 13770817. The reversal of 13770804 is 40807731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13770803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573772 + ... + 573795.

Almost surely, 213770804 is an apocalyptic number.

It is an amenable number.

13770804 is an abundant number, since it is smaller than the sum of its proper divisors (18361100).

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

13770804 is a wasteful number, since it uses less digits than its factorization.

13770804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147574 (or 1147572 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 13770804 is about 3710.9033940538. The cubic root of 13770804 is about 239.6917570568.

The spelling of 13770804 in words is "thirteen million, seven hundred seventy thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 1147567 2295134 3442701 4590268 6885402 13770804