Base | Representation |
---|---|
bin | 1111010100011… |
… | …1111111100111 |
3 | 11110220122102210 |
4 | 3311013333213 |
5 | 112422224043 |
6 | 10213134503 |
7 | 1410120114 |
oct | 365077747 |
9 | 143818383 |
10 | 64258023 |
11 | 332aa005 |
12 | 1962a433 |
13 | 1040b0cb |
14 | 876990b |
15 | 5994633 |
hex | 3d47fe7 |
64258023 has 16 divisors (see below), whose sum is σ = 86681216. Its totient is φ = 42340320.
The previous prime is 64258013. The next prime is 64258027. The reversal of 64258023 is 32085246.
It is not a de Polignac number, because 64258023 - 26 = 64257959 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 (64258027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161661 + ... + 162057.
It is an arithmetic number, because the mean of its divisors is an integer number (5417576).
Almost surely, 264258023 is an apocalyptic number.
64258023 is a deficient number, since it is larger than the sum of its proper divisors (22423193).
64258023 is a wasteful number, since it uses less digits than its factorization.
64258023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 894.
The product of its (nonzero) digits is 11520, while the sum is 30.
The square root of 64258023 is about 8016.1102163082. The cubic root of 64258023 is about 400.5368271359.
The spelling of 64258023 in words is "sixty-four million, two hundred fifty-eight thousand, twenty-three".
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