Base | Representation |
---|---|
bin | 1000000110100… |
… | …01001101000100 |
3 | 11201220000111112 |
4 | 10003101031010 |
5 | 114344401024 |
6 | 10424424152 |
7 | 1453461626 |
oct | 403211504 |
9 | 151800445 |
10 | 67965764 |
11 | 35401759 |
12 | 1a918058 |
13 | 11108939 |
14 | 9052c16 |
15 | 5e7800e |
hex | 40d1344 |
67965764 has 18 divisors (see below), whose sum is σ = 122907582. Its totient is φ = 32884800.
The previous prime is 67965761. The next prime is 67965787. The reversal of 67965764 is 46756976.
It can be written as a sum of positive squares in only one way, i.e., 51724864 + 16240900 = 7192^2 + 4030^2 .
It is a super-2 number, since 2×679657642 = 9238690152207392, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (67965761) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4997 + ... + 12684.
It is an arithmetic number, because the mean of its divisors is an integer number (6828199).
Almost surely, 267965764 is an apocalyptic number.
It is an amenable number.
67965764 is a deficient number, since it is larger than the sum of its proper divisors (54941818).
67965764 is a wasteful number, since it uses less digits than its factorization.
67965764 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17747 (or 17714 counting only the distinct ones).
The product of its digits is 1905120, while the sum is 50.
The square root of 67965764 is about 8244.1351274709. The cubic root of 67965764 is about 408.0969989161.
The spelling of 67965764 in words is "sixty-seven million, nine hundred sixty-five thousand, seven hundred sixty-four".
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