Base | Representation |
---|---|
bin | 1000000001001… |
… | …01111100011101 |
3 | 11200120101020211 |
4 | 10000211330131 |
5 | 114204424120 |
6 | 10401412421 |
7 | 1444510534 |
oct | 400457435 |
9 | 150511224 |
10 | 67264285 |
11 | 34a72720 |
12 | 1a63a111 |
13 | 10c2156a |
14 | 8d0d31b |
15 | 5d8a25a |
hex | 4025f1d |
67264285 has 16 divisors (see below), whose sum is σ = 89932032. Its totient is φ = 47876800.
The previous prime is 67264247. The next prime is 67264319. The reversal of 67264285 is 58246276.
It is not a de Polignac number, because 67264285 - 29 = 67263773 is a prime.
It is a super-2 number, since 2×672642852 = 9048968073122450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10426 + ... + 15595.
It is an arithmetic number, because the mean of its divisors is an integer number (5620752).
Almost surely, 267264285 is an apocalyptic number.
It is an amenable number.
67264285 is a deficient number, since it is larger than the sum of its proper divisors (22667747).
67264285 is a wasteful number, since it uses less digits than its factorization.
67264285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26084.
The product of its digits is 161280, while the sum is 40.
The square root of 67264285 is about 8201.4806590030. The cubic root of 67264285 is about 406.6881423607.
Subtracting from 67264285 its reverse (58246276), we obtain a square (9018009 = 30032).
It can be divided in two parts, 6726 and 4285, that added together give a palindrome (11011).
The spelling of 67264285 in words is "sixty-seven million, two hundred sixty-four thousand, two hundred eighty-five".
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