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90576425 = 5217297349
BaseRepresentation
bin1010110011000…
…01011000101001
320022102202111102
411121201120221
5141141421200
612553211145
72146613132
oct531413051
9208382442
1090576425
1147145455
1226400ab5
13159c4424
14c05ac89
157e426d5
hex5661629

90576425 has 24 divisors (see below), whose sum is σ = 123039000. Its totient is φ = 65838080.

The previous prime is 90576403. The next prime is 90576427. The reversal of 90576425 is 52467509.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 6817321 + 83759104 = 2611^2 + 9152^2 .

It is not a de Polignac number, because 90576425 - 218 = 90314281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90576427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8651 + ... + 15999.

It is an arithmetic number, because the mean of its divisors is an integer number (5126625).

Almost surely, 290576425 is an apocalyptic number.

It is an amenable number.

90576425 is a deficient number, since it is larger than the sum of its proper divisors (32462575).

90576425 is a wasteful number, since it uses less digits than its factorization.

90576425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7405 (or 7400 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 90576425 is about 9517.1647563757. The cubic root of 90576425 is about 449.0951777635.

The spelling of 90576425 in words is "ninety million, five hundred seventy-six thousand, four hundred twenty-five".

Divisors: 1 5 17 25 29 85 145 425 493 725 2465 7349 12325 36745 124933 183725 213121 624665 1065605 3123325 3623057 5328025 18115285 90576425