Base | Representation |
---|---|
bin | 1010110010001… |
… | …10010011001111 |
3 | 20022020010022121 |
4 | 11121012103033 |
5 | 141124343422 |
6 | 12550553411 |
7 | 2145641530 |
oct | 531062317 |
9 | 208203277 |
10 | 90465487 |
11 | 4707a072 |
12 | 26368867 |
13 | 15985a98 |
14 | c02c687 |
15 | 7e1e8c7 |
hex | 56464cf |
90465487 has 8 divisors (see below), whose sum is σ = 103680000. Its totient is φ = 77323704.
The previous prime is 90465457. The next prime is 90465493. The reversal of 90465487 is 78456409.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-90465487 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90465457) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15487 + ... + 20512.
It is an arithmetic number, because the mean of its divisors is an integer number (12960000).
Almost surely, 290465487 is an apocalyptic number.
90465487 is a deficient number, since it is larger than the sum of its proper divisors (13214513).
90465487 is a wasteful number, since it uses less digits than its factorization.
90465487 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36365.
The product of its (nonzero) digits is 241920, while the sum is 43.
The square root of 90465487 is about 9511.3346592368. The cubic root of 90465487 is about 448.9117522742.
The spelling of 90465487 in words is "ninety million, four hundred sixty-five thousand, four hundred eighty-seven".
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