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90514554 = 23131160443
BaseRepresentation
bin1010110010100…
…10010001111010
320022022121121220
411121102101322
5141132431204
612552012510
72146234554
oct531222172
9208277556
1090514554
1147102a19
1226391136
13159a2210
14c0424d4
157e2e1d9
hex565247a

90514554 has 16 divisors (see below), whose sum is σ = 194954592. Its totient is φ = 27850608.

The previous prime is 90514549. The next prime is 90514561. The reversal of 90514554 is 45541509.

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 7 ways as a sum of consecutive naturals, for example, 580144 + ... + 580299.

It is an arithmetic number, because the mean of its divisors is an integer number (12184662).

Almost surely, 290514554 is an apocalyptic number.

90514554 is an abundant number, since it is smaller than the sum of its proper divisors (104440038).

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

90514554 is a wasteful number, since it uses less digits than its factorization.

90514554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160461.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 90514554 is about 9513.9137057259. The cubic root of 90514554 is about 448.9928984017.

The spelling of 90514554 in words is "ninety million, five hundred fourteen thousand, five hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 1160443 2320886 3481329 6962658 15085759 30171518 45257277 90514554