Base | Representation |
---|---|
bin | 1000101100001… |
… | …00101111000000 |
3 | 12002011110201112 |
4 | 10112010233000 |
5 | 122130123144 |
6 | 11122222452 |
7 | 1543413050 |
oct | 426045700 |
9 | 162143645 |
10 | 72895424 |
11 | 38169458 |
12 | 204b4a28 |
13 | 121436b4 |
14 | 9977560 |
15 | 65ed99e |
hex | 4584bc0 |
72895424 has 28 divisors (see below), whose sum is σ = 165317424. Its totient is φ = 31240704.
The previous prime is 72895411. The next prime is 72895451. The reversal of 72895424 is 42459827.
It is a tau number, because it is divible by the number of its divisors (28).
It is a congruent number.
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, 80909 + ... + 81804.
Almost surely, 272895424 is an apocalyptic number.
It is an amenable number.
72895424 is an abundant number, since it is smaller than the sum of its proper divisors (92422000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72895424 is a wasteful number, since it uses less digits than its factorization.
72895424 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162732 (or 162722 counting only the distinct ones).
The product of its digits is 161280, while the sum is 41.
The square root of 72895424 is about 8537.8817044979. The cubic root of 72895424 is about 417.7342541383.
The spelling of 72895424 in words is "seventy-two million, eight hundred ninety-five thousand, four hundred twenty-four".
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