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90160952 = 2371610017
BaseRepresentation
bin1010101111110…
…11111100111000
320021122122120112
411113323330320
5141040122302
612540243452
72143232630
oct527737470
9207578515
1090160952
1146991292
1226240588
13158aa29b
14bd8d6c0
157dae552
hex55fbf38

90160952 has 16 divisors (see below), whose sum is σ = 193202160. Its totient is φ = 38640384.

The previous prime is 90160949. The next prime is 90160963. The reversal of 90160952 is 25906109.

It is a congruent number.

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, 804953 + ... + 805064.

It is an arithmetic number, because the mean of its divisors is an integer number (12075135).

Almost surely, 290160952 is an apocalyptic number.

It is an amenable number.

90160952 is an abundant number, since it is smaller than the sum of its proper divisors (103041208).

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

90160952 is a wasteful number, since it uses less digits than its factorization.

90160952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610030 (or 1610026 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 90160952 is about 9495.3121065081. The cubic root of 90160952 is about 448.4074603996.

The spelling of 90160952 in words is "ninety million, one hundred sixty thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 1610017 3220034 6440068 11270119 12880136 22540238 45080476 90160952