Base | Representation |
---|---|
bin | 1010110101111… |
… | …01111011010001 |
3 | 20100011000110020 |
4 | 11122331323101 |
5 | 141241033343 |
6 | 13005254053 |
7 | 2153052210 |
oct | 532757321 |
9 | 210130406 |
10 | 90955473 |
11 | 47384214 |
12 | 26564329 |
13 | 15ac7b0b |
14 | c119077 |
15 | 7eb9b83 |
hex | 56bded1 |
90955473 has 32 divisors (see below), whose sum is σ = 143327232. Its totient is φ = 50232000.
The previous prime is 90955471. The next prime is 90955477. The reversal of 90955473 is 37455909.
It is not a de Polignac number, because 90955473 - 21 = 90955471 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90955471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78448 + ... + 79598.
It is an arithmetic number, because the mean of its divisors is an integer number (4478976).
Almost surely, 290955473 is an apocalyptic number.
It is an amenable number.
90955473 is a deficient number, since it is larger than the sum of its proper divisors (52371759).
90955473 is a wasteful number, since it uses less digits than its factorization.
90955473 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1285.
The product of its (nonzero) digits is 170100, while the sum is 42.
The square root of 90955473 is about 9537.0578796608. The cubic root of 90955473 is about 449.7207699804.
The spelling of 90955473 in words is "ninety million, nine hundred fifty-five thousand, four hundred seventy-three".
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