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90814768 = 2411515993
BaseRepresentation
bin1010110100110…
…11100100110000
320022212212102221
411122123210300
5141222033033
613002250424
72151625042
oct532334460
9208785387
1090814768
1147298530
12264b6a14
1315a78a65
14c0bda92
157e8d12d
hex569b930

90814768 has 20 divisors (see below), whose sum is σ = 191949768. Its totient is φ = 41279360.

The previous prime is 90814729. The next prime is 90814777. The reversal of 90814768 is 86741809.

It is an unprimeable number.

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, 257821 + ... + 258172.

Almost surely, 290814768 is an apocalyptic number.

It is an amenable number.

90814768 is an abundant number, since it is smaller than the sum of its proper divisors (101135000).

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

90814768 is a wasteful number, since it uses less digits than its factorization.

90814768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516012 (or 516006 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 90814768 is about 9529.6782736879. The cubic root of 90814768 is about 449.4887494230.

The spelling of 90814768 in words is "ninety million, eight hundred fourteen thousand, seven hundred sixty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 176 515993 1031986 2063972 4127944 5675923 8255888 11351846 22703692 45407384 90814768