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90953801 = 161956179
BaseRepresentation
bin1010110101111…
…01100001001001
320100010221011022
411122331201021
5141241010201
613005242225
72153044301
oct532754111
9210127138
1090953801
1147382a34
1226563375
1315ac7123
14c118601
157eb941b
hex56bd849

90953801 has 4 divisors (see below), whose sum is σ = 91011600. Its totient is φ = 90896004.

The previous prime is 90953761. The next prime is 90953803. The reversal of 90953801 is 10835909.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90953801 - 226 = 23844937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90953803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26471 + ... + 29708.

It is an arithmetic number, because the mean of its divisors is an integer number (22752900).

Almost surely, 290953801 is an apocalyptic number.

It is an amenable number.

90953801 is a deficient number, since it is larger than the sum of its proper divisors (57799).

90953801 is a wasteful number, since it uses less digits than its factorization.

90953801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57798.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 90953801 is about 9536.9702211971. The cubic root of 90953801 is about 449.7180142813.

The spelling of 90953801 in words is "ninety million, nine hundred fifty-three thousand, eight hundred one".

Divisors: 1 1619 56179 90953801