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90458925 = 3521279497
BaseRepresentation
bin1010110010001…
…00101100101101
320022012210022120
411121010230231
5141124141200
612550503153
72145613434
oct531045455
9208183276
1090458925
1147075147
1226364ab9
1315982abb
14c02a11b
157e1c9a0
hex5644b2d

90458925 has 24 divisors (see below), whose sum is σ = 150752256. Its totient is φ = 47859840.

The previous prime is 90458881. The next prime is 90458941. The reversal of 90458925 is 52985409.

It is not a de Polignac number, because 90458925 - 26 = 90458861 is a prime.

It is a super-2 number, since 2×904589252 = 16365634224311250, which contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 4777 + ... + 14273.

It is an arithmetic number, because the mean of its divisors is an integer number (6281344).

Almost surely, 290458925 is an apocalyptic number.

It is an amenable number.

90458925 is a deficient number, since it is larger than the sum of its proper divisors (60293331).

90458925 is a wasteful number, since it uses less digits than its factorization.

90458925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9637 (or 9632 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 90458925 is about 9510.9896961357. The cubic root of 90458925 is about 448.9008979317.

The spelling of 90458925 in words is "ninety million, four hundred fifty-eight thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 127 381 635 1905 3175 9497 9525 28491 47485 142455 237425 712275 1206119 3618357 6030595 18091785 30152975 90458925