Base | Representation |
---|---|
bin | 1111010001000… |
… | …0100100101110 |
3 | 11110111010001100 |
4 | 3310100210232 |
5 | 112342443042 |
6 | 10204223530 |
7 | 1405153236 |
oct | 364204456 |
9 | 143433040 |
10 | 64031022 |
11 | 33164500 |
12 | 1953aba6 |
13 | 1035b9a3 |
14 | 870acc6 |
15 | 594c24c |
hex | 3d1092e |
64031022 has 36 divisors (see below), whose sum is σ = 152497800. Its totient is φ = 19402680.
The previous prime is 64031021. The next prime is 64031039. The reversal of 64031022 is 22013046.
It is a happy number.
64031022 is a `hidden beast` number, since 640 + 3 + 1 + 0 + 22 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 64030986 and 64031004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64031021) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12522 + ... + 16877.
It is an arithmetic number, because the mean of its divisors is an integer number (4236050).
Almost surely, 264031022 is an apocalyptic number.
64031022 is an abundant number, since it is smaller than the sum of its proper divisors (88466778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64031022 is a wasteful number, since it uses less digits than its factorization.
64031022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29429 (or 29415 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 64031022 is about 8001.9386401047. The cubic root of 64031022 is about 400.0646187272.
Adding to 64031022 its reverse (22013046), we get a palindrome (86044068).
The spelling of 64031022 in words is "sixty-four million, thirty-one thousand, twenty-two".
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