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90825608 = 2313818221
BaseRepresentation
bin1010110100111…
…10001110001000
320022220102022102
411122132032020
5141222404413
613002412532
72152001456
oct532361610
9208812272
1090825608
11472a5695
1226501148
1315a80983
14c0c39d6
157e91458
hex569e388

90825608 has 16 divisors (see below), whose sum is σ = 170442060. Its totient is φ = 45374400.

The previous prime is 90825601. The next prime is 90825641. The reversal of 90825608 is 80652809.

It can be written as a sum of positive squares in 2 ways, for example, as 85340644 + 5484964 = 9238^2 + 2342^2 .

It is not an unprimeable number, because it can be changed into a prime (90825601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6938 + ... + 15158.

Almost surely, 290825608 is an apocalyptic number.

It is an amenable number.

90825608 is a deficient number, since it is larger than the sum of its proper divisors (79616452).

90825608 is a wasteful number, since it uses less digits than its factorization.

90825608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9608 (or 9604 counting only the distinct ones).

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

The square root of 90825608 is about 9530.2470062428. The cubic root of 90825608 is about 449.5066329468.

The spelling of 90825608 in words is "ninety million, eight hundred twenty-five thousand, six hundred eight".

Divisors: 1 2 4 8 1381 2762 5524 8221 11048 16442 32884 65768 11353201 22706402 45412804 90825608