Base | Representation |
---|---|
bin | 1000101011110… |
… | …01010010110000 |
3 | 12002002002102211 |
4 | 10111321102300 |
5 | 122122123220 |
6 | 11121221504 |
7 | 1543126321 |
oct | 425712260 |
9 | 162062384 |
10 | 72848560 |
11 | 38137224 |
12 | 20491894 |
13 | 12128275 |
14 | 9964448 |
15 | 65deb5a |
hex | 45794b0 |
72848560 has 40 divisors (see below), whose sum is σ = 173957616. Its totient is φ = 28350720.
The previous prime is 72848557. The next prime is 72848561. The reversal of 72848560 is 6584827.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is not an unprimeable number, because it can be changed into a prime (72848561) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9346 + ... + 15265.
Almost surely, 272848560 is an apocalyptic number.
It is an amenable number.
72848560 is an abundant number, since it is smaller than the sum of its proper divisors (101109056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72848560 is a wasteful number, since it uses less digits than its factorization.
72848560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24661 (or 24655 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 40.
The square root of 72848560 is about 8535.1367885934. The cubic root of 72848560 is about 417.6447153911.
The spelling of 72848560 in words is "seventy-two million, eight hundred forty-eight thousand, five hundred sixty".
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