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8672290 = 251178839
BaseRepresentation
bin100001000101…
…010000100010
3121022121010221
4201011100202
54210003130
6505513254
7133466434
oct41052042
917277127
108672290
114993690
122aa282a
131a48443
14121a654
15b6487a
hex845422

8672290 has 16 divisors (see below), whose sum is σ = 17029440. Its totient is φ = 3153520.

The previous prime is 8672273. The next prime is 8672297. The reversal of 8672290 is 922768.

It is a super-2 number, since 2×86722902 = 150417227688200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8672297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39310 + ... + 39529.

It is an arithmetic number, because the mean of its divisors is an integer number (1064340).

Almost surely, 28672290 is an apocalyptic number.

8672290 is a deficient number, since it is larger than the sum of its proper divisors (8357150).

8672290 is a wasteful number, since it uses less digits than its factorization.

8672290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78857.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 8672290 is about 2944.8752095802. The cubic root of 8672290 is about 205.4524213845.

The spelling of 8672290 in words is "eight million, six hundred seventy-two thousand, two hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 78839 157678 394195 788390 867229 1734458 4336145 8672290