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90796968 = 23321261069
BaseRepresentation
bin1010110100101…
…11001110101000
320022211222000200
411122113032220
5141221000333
613002032200
72151522123
oct532271650
9208758020
1090796968
1147286119
12264a8660
1315a70922
14c0b73ba
157e87c13
hex56973a8

90796968 has 24 divisors (see below), whose sum is σ = 245908650. Its totient is φ = 30265632.

The previous prime is 90796967. The next prime is 90796973. The reversal of 90796968 is 86969709.

It can be written as a sum of positive squares in only one way, i.e., 73307844 + 17489124 = 8562^2 + 4182^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (90796963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 630463 + ... + 630606.

Almost surely, 290796968 is an apocalyptic number.

It is an amenable number.

90796968 is an abundant number, since it is smaller than the sum of its proper divisors (155111682).

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

90796968 is a wasteful number, since it uses less digits than its factorization.

90796968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261081 (or 1261074 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 90796968 is about 9528.7443034221. The cubic root of 90796968 is about 449.4593804018.

The spelling of 90796968 in words is "ninety million, seven hundred ninety-six thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1261069 2522138 3783207 5044276 7566414 10088552 11349621 15132828 22699242 30265656 45398484 90796968