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80650928 = 245040683
BaseRepresentation
bin1001100111010…
…10001010110000
312121202111021102
410303222022300
5131121312203
612000343532
71666343621
oct463521260
9177674242
1080650928
1141586266
1223014ba8
131392a757
14a9d5a48
157131888
hex4cea2b0

80650928 has 10 divisors (see below), whose sum is σ = 156261204. Its totient is φ = 40325456.

The previous prime is 80650909. The next prime is 80650937. The reversal of 80650928 is 82905608.

It is a super-2 number, since 2×806509282 = 13009144374522368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80650891 and 80650900.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520326 + ... + 2520357.

Almost surely, 280650928 is an apocalyptic number.

It is an amenable number.

80650928 is a deficient number, since it is larger than the sum of its proper divisors (75610276).

80650928 is a wasteful number, since it uses less digits than its factorization.

80650928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040691 (or 5040685 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 80650928 is about 8980.5861724055. The cubic root of 80650928 is about 432.0524341934.

The spelling of 80650928 in words is "eighty million, six hundred fifty thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 5040683 10081366 20162732 40325464 80650928