Base | Representation |
---|---|
bin | 1000000010011… |
… | …11000011101000 |
3 | 11200212221020200 |
4 | 10001033003220 |
5 | 114230321210 |
6 | 10405152200 |
7 | 1446111510 |
oct | 401170350 |
9 | 150787220 |
10 | 67432680 |
11 | 35078197 |
12 | 1a6bb660 |
13 | 10c800c3 |
14 | 8d54840 |
15 | 5dc00c0 |
hex | 404f0e8 |
67432680 has 96 divisors (see below), whose sum is σ = 250473600. Its totient is φ = 15412608.
The previous prime is 67432667. The next prime is 67432697. The reversal of 67432680 is 8623476.
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 10860 + ... + 15899.
It is an arithmetic number, because the mean of its divisors is an integer number (2609100).
Almost surely, 267432680 is an apocalyptic number.
67432680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
67432680 is an abundant number, since it is smaller than the sum of its proper divisors (183040920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67432680 is a wasteful number, since it uses less digits than its factorization.
67432680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26783 (or 26776 counting only the distinct ones).
The product of its (nonzero) digits is 48384, while the sum is 36.
The square root of 67432680 is about 8211.7403758278. The cubic root of 67432680 is about 407.0272385065.
The spelling of 67432680 in words is "sixty-seven million, four hundred thirty-two thousand, six hundred eighty".
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