Base | Representation |
---|---|
bin | 1010110010001… |
… | …01100100011011 |
3 | 20022012222012122 |
4 | 11121011210123 |
5 | 141124244431 |
6 | 12550531455 |
7 | 2145630020 |
oct | 531054433 |
9 | 208188178 |
10 | 90462491 |
11 | 47077899 |
12 | 26366b8b |
13 | 15984602 |
14 | c02b547 |
15 | 7e1da7b |
hex | 564591b |
90462491 has 24 divisors (see below), whose sum is σ = 111197856. Its totient is φ = 72069120.
The previous prime is 90462487. The next prime is 90462499. The reversal of 90462491 is 19426409.
It is not a de Polignac number, because 90462491 - 22 = 90462487 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90462499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 196001 + ... + 196461.
It is an arithmetic number, because the mean of its divisors is an integer number (4633244).
Almost surely, 290462491 is an apocalyptic number.
90462491 is a deficient number, since it is larger than the sum of its proper divisors (20735365).
90462491 is a wasteful number, since it uses less digits than its factorization.
90462491 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 599 (or 582 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 90462491 is about 9511.1771616346. The cubic root of 90462491 is about 448.9067965926.
The spelling of 90462491 in words is "ninety million, four hundred sixty-two thousand, four hundred ninety-one".
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