Base | Representation |
---|---|
bin | 1111010010100… |
… | …1011011101101 |
3 | 11110200021201120 |
4 | 3310221123231 |
5 | 112404222340 |
6 | 10210331153 |
7 | 1406056140 |
oct | 364513355 |
9 | 143607646 |
10 | 64132845 |
11 | 33223a57 |
12 | 19589ab9 |
13 | 1039613a |
14 | 8736057 |
15 | 596c4d0 |
hex | 3d296ed |
64132845 has 32 divisors (see below), whose sum is σ = 117592320. Its totient is φ = 29237760.
The previous prime is 64132819. The next prime is 64132853. The reversal of 64132845 is 54823146.
It is not a de Polignac number, because 64132845 - 211 = 64130797 is a prime.
It is a super-2 number, since 2×641328452 = 8226043615588050, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56241 + ... + 57369.
It is an arithmetic number, because the mean of its divisors is an integer number (3674760).
Almost surely, 264132845 is an apocalyptic number.
It is an amenable number.
64132845 is a deficient number, since it is larger than the sum of its proper divisors (53459475).
64132845 is a wasteful number, since it uses less digits than its factorization.
64132845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1685.
The product of its digits is 23040, while the sum is 33.
The square root of 64132845 is about 8008.2985084224. The cubic root of 64132845 is about 400.2765691464.
The spelling of 64132845 in words is "sixty-four million, one hundred thirty-two thousand, eight hundred forty-five".
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