Base | Representation |
---|---|
bin | 1000000001111… |
… | …10100010110000 |
3 | 11200202111110111 |
4 | 10000332202300 |
5 | 114221140130 |
6 | 10403511104 |
7 | 1445410351 |
oct | 400764260 |
9 | 150674414 |
10 | 67365040 |
11 | 35031396 |
12 | 1a688494 |
13 | 10c58392 |
14 | 8d37d28 |
15 | 5daa02a |
hex | 403e8b0 |
67365040 has 20 divisors (see below), whose sum is σ = 156623904. Its totient is φ = 26945984.
The previous prime is 67365031. The next prime is 67365061. The reversal of 67365040 is 4056376.
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×673650402 = 9076097228403200, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 67364993 and 67365011.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420952 + ... + 421111.
Almost surely, 267365040 is an apocalyptic number.
It is an amenable number.
67365040 is an abundant number, since it is smaller than the sum of its proper divisors (89258864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67365040 is a wasteful number, since it uses less digits than its factorization.
67365040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 842076 (or 842070 counting only the distinct ones).
The product of its (nonzero) digits is 15120, while the sum is 31.
The square root of 67365040 is about 8207.6208489428. The cubic root of 67365040 is about 406.8911000997.
The spelling of 67365040 in words is "sixty-seven million, three hundred sixty-five thousand, forty".
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