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90956105 = 518191221
BaseRepresentation
bin1010110101111…
…10000101001001
320100011001022122
411122332011021
5141241043410
613005301025
72153054102
oct532760511
9210131278
1090956105
1147384739
1226564775
1315ac81a6
14c1193a9
157eb9e55
hex56be149

90956105 has 4 divisors (see below), whose sum is σ = 109147332. Its totient is φ = 72764880.

The previous prime is 90956087. The next prime is 90956113. The reversal of 90956105 is 50165909.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24631369 + 66324736 = 4963^2 + 8144^2 .

It is not a de Polignac number, because 90956105 - 28 = 90955849 is a prime.

It is a Duffinian 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, 9095606 + ... + 9095615.

It is an arithmetic number, because the mean of its divisors is an integer number (27286833).

Almost surely, 290956105 is an apocalyptic number.

It is an amenable number.

90956105 is a deficient number, since it is larger than the sum of its proper divisors (18191227).

90956105 is a wasteful number, since it uses less digits than its factorization.

90956105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18191226.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 90956105 is about 9537.0910135114. The cubic root of 90956105 is about 449.7218115995.

The spelling of 90956105 in words is "ninety million, nine hundred fifty-six thousand, one hundred five".

Divisors: 1 5 18191221 90956105