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80825572 = 2280924977
BaseRepresentation
bin1001101000101…
…00110011100100
312122002100211201
410310110303210
5131142404242
612004212244
72001002032
oct464246344
9178070751
1080825572
11416954a3
122309a084
131398c0a9
14aa3d552
1571684b7
hex4d14ce4

80825572 has 12 divisors (see below), whose sum is σ = 141625260. Its totient is φ = 40361216.

The previous prime is 80825543. The next prime is 80825573. The reversal of 80825572 is 27552808.

It can be written as a sum of positive squares in 2 ways, for example, as 31629376 + 49196196 = 5624^2 + 7014^2 .

It is not an unprimeable number, because it can be changed into a prime (80825573) 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, 9253 + ... + 15724.

It is an arithmetic number, because the mean of its divisors is an integer number (11802105).

Almost surely, 280825572 is an apocalyptic number.

It is an amenable number.

80825572 is a deficient number, since it is larger than the sum of its proper divisors (60799688).

80825572 is a wasteful number, since it uses less digits than its factorization.

80825572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25790 (or 25788 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 80825572 is about 8990.3043330023. The cubic root of 80825572 is about 432.3640692365.

The spelling of 80825572 in words is "eighty million, eight hundred twenty-five thousand, five hundred seventy-two".

Divisors: 1 2 4 809 1618 3236 24977 49954 99908 20206393 40412786 80825572