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8672404 = 2213212829
BaseRepresentation
bin100001000101…
…010010010100
3121022121022011
4201011102110
54210004104
6505514004
7133466656
oct41052224
917277264
108672404
114993784
122aa2904
131a48500
14121a6d6
15b64904
hex845494

8672404 has 18 divisors (see below), whose sum is σ = 16435230. Its totient is φ = 4002336.

The previous prime is 8672387. The next prime is 8672407. The reversal of 8672404 is 4042768.

It can be written as a sum of positive squares in 3 ways, for example, as 204304 + 8468100 = 452^2 + 2910^2 .

It is a super-2 number, since 2×86724042 = 150421182278432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8672407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5739 + ... + 7090.

Almost surely, 28672404 is an apocalyptic number.

It is an amenable number.

8672404 is a deficient number, since it is larger than the sum of its proper divisors (7762826).

8672404 is a wasteful number, since it uses less digits than its factorization.

8672404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12859 (or 12844 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 8672404 is about 2944.8945651755. The cubic root of 8672404 is about 205.4533216263.

The spelling of 8672404 in words is "eight million, six hundred seventy-two thousand, four hundred four".

Divisors: 1 2 4 13 26 52 169 338 676 12829 25658 51316 166777 333554 667108 2168101 4336202 8672404