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90680802 = 2315113467
BaseRepresentation
bin1010110011110…
…10110111100010
320022122001200020
411121322313202
5141203241202
612555334310
72150526342
oct531726742
9208561606
1090680802
1147206913
1226451396
1315a2caa4
14c086d22
157e635bc
hex567ade2

90680802 has 8 divisors (see below), whose sum is σ = 181361616. Its totient is φ = 30226932.

The previous prime is 90680791. The next prime is 90680867. The reversal of 90680802 is 20808609.

It is a sphenic number, since it is the product of 3 distinct primes.

90680802 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7556728 + ... + 7556739.

It is an arithmetic number, because the mean of its divisors is an integer number (22670202).

Almost surely, 290680802 is an apocalyptic number.

90680802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90680802 is a wasteful number, since it uses less digits than its factorization.

90680802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15113472.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 90680802 is about 9522.6467959281. The cubic root of 90680802 is about 449.2676185619.

The spelling of 90680802 in words is "ninety million, six hundred eighty thousand, eight hundred two".

Divisors: 1 2 3 6 15113467 30226934 45340401 90680802