Base | Representation |
---|---|
bin | 1000000000010… |
… | …00111000110001 |
3 | 11200100022222200 |
4 | 10000020320301 |
5 | 114142122030 |
6 | 10355053413 |
7 | 1443503535 |
oct | 400107061 |
9 | 150308880 |
10 | 67145265 |
11 | 349a1260 |
12 | 1a5a1269 |
13 | 10bac335 |
14 | 8cbbbc5 |
15 | 5d64d60 |
hex | 4008e31 |
67145265 has 24 divisors (see below), whose sum is σ = 126966528. Its totient is φ = 32555040.
The previous prime is 67145233. The next prime is 67145357. The reversal of 67145265 is 56254176.
It is a happy number.
It is not a de Polignac number, because 67145265 - 25 = 67145233 is a prime.
It is a super-2 number, since 2×671452652 = 9016973223840450, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67329 + ... + 68318.
It is an arithmetic number, because the mean of its divisors is an integer number (5290272).
Almost surely, 267145265 is an apocalyptic number.
It is an amenable number.
67145265 is a deficient number, since it is larger than the sum of its proper divisors (59821263).
67145265 is a wasteful number, since it uses less digits than its factorization.
67145265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 135669 (or 135666 counting only the distinct ones).
The product of its digits is 50400, while the sum is 36.
The square root of 67145265 is about 8194.2214395268. The cubic root of 67145265 is about 406.4481308890.
The spelling of 67145265 in words is "sixty-seven million, one hundred forty-five thousand, two hundred sixty-five".
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