Base | Representation |
---|---|
bin | 1010110010001… |
… | …01010100010001 |
3 | 20022012220210100 |
4 | 11121011110101 |
5 | 141124231312 |
6 | 12550523013 |
7 | 2145624012 |
oct | 531052421 |
9 | 208186710 |
10 | 90461457 |
11 | 47077039 |
12 | 26366469 |
13 | 15983cb8 |
14 | c02b009 |
15 | 7e1d5dc |
hex | 5645511 |
90461457 has 24 divisors (see below), whose sum is σ = 135888480. Its totient is φ = 57942720.
The previous prime is 90461443. The next prime is 90461467. The reversal of 90461457 is 75416409.
It is not a de Polignac number, because 90461457 - 28 = 90461201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (90461467) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22894 + ... + 26552.
It is an arithmetic number, because the mean of its divisors is an integer number (5662020).
Almost surely, 290461457 is an apocalyptic number.
It is an amenable number.
90461457 is a deficient number, since it is larger than the sum of its proper divisors (45427023).
90461457 is a wasteful number, since it uses less digits than its factorization.
90461457 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3773 (or 3770 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 90461457 is about 9511.1228043801. The cubic root of 90461457 is about 448.9050862285.
The spelling of 90461457 in words is "ninety million, four hundred sixty-one thousand, four hundred fifty-seven".
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