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90552680 = 2352263817
BaseRepresentation
bin1010110010110…
…11100101101000
320022101112220222
411121123211220
5141140141210
612552505212
72146453661
oct531334550
9208345828
1090552680
1147129629
12263ab208
13159b668a
14c052368
157e3a655
hex565b968

90552680 has 16 divisors (see below), whose sum is σ = 203743620. Its totient is φ = 36221056.

The previous prime is 90552647. The next prime is 90552769. The reversal of 90552680 is 8625509.

It can be written as a sum of positive squares in 2 ways, for example, as 84897796 + 5654884 = 9214^2 + 2378^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90552680.

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, 1131869 + ... + 1131948.

Almost surely, 290552680 is an apocalyptic number.

It is an amenable number.

90552680 is an abundant number, since it is smaller than the sum of its proper divisors (113190940).

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

90552680 is a wasteful number, since it uses less digits than its factorization.

90552680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263828 (or 2263824 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 90552680 is about 9515.9171917372. The cubic root of 90552680 is about 449.0559302552.

The spelling of 90552680 in words is "ninety million, five hundred fifty-two thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 2263817 4527634 9055268 11319085 18110536 22638170 45276340 90552680