Base | Representation |
---|---|
bin | 1010110011010… |
… | …11011010010111 |
3 | 20022111211211112 |
4 | 11121223122113 |
5 | 141144224440 |
6 | 12554125235 |
7 | 2150143643 |
oct | 531533227 |
9 | 208454745 |
10 | 90617495 |
11 | 471732a1 |
12 | 2642081b |
13 | 15a0a027 |
14 | c06bc23 |
15 | 7e4e965 |
hex | 566b697 |
90617495 has 12 divisors (see below), whose sum is σ = 112367880. Its totient is φ = 70151760.
The previous prime is 90617473. The next prime is 90617507. The reversal of 90617495 is 59471609.
It is not a de Polignac number, because 90617495 - 28 = 90617239 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4625 + ... + 14234.
It is an arithmetic number, because the mean of its divisors is an integer number (9363990).
Almost surely, 290617495 is an apocalyptic number.
90617495 is a deficient number, since it is larger than the sum of its proper divisors (21750385).
90617495 is a wasteful number, since it uses less digits than its factorization.
90617495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18926 (or 18895 counting only the distinct ones).
The product of its (nonzero) digits is 68040, while the sum is 41.
The square root of 90617495 is about 9519.3221922572. The cubic root of 90617495 is about 449.1630451360.
The spelling of 90617495 in words is "ninety million, six hundred seventeen thousand, four hundred ninety-five".
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