Base | Representation |
---|---|
bin | 1111010100100… |
… | …0101110011111 |
3 | 11110220210112220 |
4 | 3311020232133 |
5 | 112422323043 |
6 | 10213200423 |
7 | 1410131631 |
oct | 365105637 |
9 | 143823486 |
10 | 64261023 |
11 | 33301292 |
12 | 19630113 |
13 | 1040c598 |
14 | 876aa51 |
15 | 5995483 |
hex | 3d48b9f |
64261023 has 8 divisors (see below), whose sum is σ = 86177328. Its totient is φ = 42592704.
The previous prime is 64261009. The next prime is 64261027. The reversal of 64261023 is 32016246.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 64261023 - 28 = 64260767 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 64260984 and 64261002.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64261027) 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, 61390 + ... + 62427.
It is an arithmetic number, because the mean of its divisors is an integer number (10772166).
Almost surely, 264261023 is an apocalyptic number.
64261023 is a deficient number, since it is larger than the sum of its proper divisors (21916305).
64261023 is a wasteful number, since it uses less digits than its factorization.
64261023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123993.
The product of its (nonzero) digits is 1728, while the sum is 24.
The square root of 64261023 is about 8016.2973372998. The cubic root of 64261023 is about 400.5430602968.
Adding to 64261023 its reverse (32016246), we get a palindrome (96277269).
The spelling of 64261023 in words is "sixty-four million, two hundred sixty-one thousand, twenty-three".
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