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90960085 = 527416637
BaseRepresentation
bin1010110101111…
…11000011010101
320100011020210001
411122333003111
5141241210320
613005331301
72153101516
oct532770325
9210136701
1090960085
1147387727
1226566b31
1315ac9c48
14c11aa0d
157ebb20a
hex56bf0d5

90960085 has 8 divisors (see below), whose sum is σ = 109208376. Its totient is φ = 72730560.

The previous prime is 90960073. The next prime is 90960119. The reversal of 90960085 is 58006909.

It can be written as a sum of positive squares in 4 ways, for example, as 1203409 + 89756676 = 1097^2 + 9474^2 .

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

It is not a de Polignac number, because 90960085 - 219 = 90435797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10387 + ... + 17023.

It is an arithmetic number, because the mean of its divisors is an integer number (13651047).

Almost surely, 290960085 is an apocalyptic number.

It is an amenable number.

90960085 is a deficient number, since it is larger than the sum of its proper divisors (18248291).

90960085 is a wasteful number, since it uses less digits than its factorization.

90960085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9383.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 90960085 is about 9537.2996702421. The cubic root of 90960085 is about 449.7283710518.

The spelling of 90960085 in words is "ninety million, nine hundred sixty thousand, eighty-five".

Divisors: 1 5 2741 6637 13705 33185 18192017 90960085