Base | Representation |
---|---|
bin | 1000101001000… |
… | …00101100110100 |
3 | 12001101122122222 |
4 | 10110200230310 |
5 | 122024020214 |
6 | 11105341512 |
7 | 1540055345 |
oct | 424405464 |
9 | 161348588 |
10 | 72485684 |
11 | 37a09627 |
12 | 20337898 |
13 | 1202c04b |
14 | 98ac0cc |
15 | 656c38e |
hex | 4520b34 |
72485684 has 24 divisors (see below), whose sum is σ = 133882560. Its totient is φ = 34243776.
The previous prime is 72485681. The next prime is 72485711. The reversal of 72485684 is 48658427.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72485681) 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, 33689 + ... + 35775.
It is an arithmetic number, because the mean of its divisors is an integer number (5578440).
Almost surely, 272485684 is an apocalyptic number.
It is an amenable number.
72485684 is a deficient number, since it is larger than the sum of its proper divisors (61396876).
72485684 is a wasteful number, since it uses less digits than its factorization.
72485684 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2567 (or 2565 counting only the distinct ones).
The product of its digits is 430080, while the sum is 44.
The square root of 72485684 is about 8513.8524769930. The cubic root of 72485684 is about 416.9500982138.
The spelling of 72485684 in words is "seventy-two million, four hundred eighty-five thousand, six hundred eighty-four".
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