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90657054 = 2325036503
BaseRepresentation
bin1010110011101…
…01000100011110
320022120212002200
411121311010132
5141202011204
612555032330
72150400165
oct531650436
9208525080
1090657054
114719aa94
122643b6a6
1315a22037
14c07c3dc
157e5b539
hex567511e

90657054 has 12 divisors (see below), whose sum is σ = 196423656. Its totient is φ = 30219012.

The previous prime is 90657043. The next prime is 90657059. The reversal of 90657054 is 45075609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90657059) 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, 2518234 + ... + 2518269.

It is an arithmetic number, because the mean of its divisors is an integer number (16368638).

Almost surely, 290657054 is an apocalyptic number.

90657054 is an abundant number, since it is smaller than the sum of its proper divisors (105766602).

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

90657054 is a wasteful number, since it uses less digits than its factorization.

90657054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036511 (or 5036508 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 90657054 is about 9521.3997920474. The cubic root of 90657054 is about 449.2283962250.

The spelling of 90657054 in words is "ninety million, six hundred fifty-seven thousand, fifty-four".

Divisors: 1 2 3 6 9 18 5036503 10073006 15109509 30219018 45328527 90657054