Base | Representation |
---|---|
bin | 1000000101010… |
… | …01111000000000 |
3 | 11201120211112011 |
4 | 10002221320000 |
5 | 114324222142 |
6 | 10421142304 |
7 | 1452221155 |
oct | 402517000 |
9 | 151524464 |
10 | 67804672 |
11 | 35301721 |
12 | 1a85a994 |
13 | 11080510 |
14 | 901022c |
15 | 5e45417 |
hex | 40a9e00 |
67804672 has 80 divisors (see below), whose sum is σ = 149177952. Its totient is φ = 30597120.
The previous prime is 67804669. The next prime is 67804703. The reversal of 67804672 is 27640876.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405933 + ... + 406099.
Almost surely, 267804672 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 67804672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74588976).
67804672 is an abundant number, since it is smaller than the sum of its proper divisors (81373280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
67804672 is a wasteful number, since it uses less digits than its factorization.
67804672 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 259 (or 243 counting only the distinct ones).
The product of its (nonzero) digits is 112896, while the sum is 40.
The square root of 67804672 is about 8234.3592343303. The cubic root of 67804672 is about 407.7743209180.
The spelling of 67804672 in words is "sixty-seven million, eight hundred four thousand, six hundred seventy-two".
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