Base | Representation |
---|---|
bin | 1000101100000… |
… | …11000101111100 |
3 | 12002011010111111 |
4 | 10112003011330 |
5 | 122124414300 |
6 | 11122131404 |
7 | 1543354333 |
oct | 426030574 |
9 | 162133444 |
10 | 72888700 |
11 | 381643a5 |
12 | 204b0b64 |
13 | 12140611 |
14 | 9974d1a |
15 | 65eb9ba |
hex | 458317c |
72888700 has 36 divisors (see below), whose sum is σ = 159081832. Its totient is φ = 28987200.
The previous prime is 72888689. The next prime is 72888709. The reversal of 72888700 is 788827.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72888709) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16087 + ... + 20113.
Almost surely, 272888700 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 72888700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79540916).
72888700 is an abundant number, since it is smaller than the sum of its proper divisors (86193132).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72888700 is a wasteful number, since it uses less digits than its factorization.
72888700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4222 (or 4215 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 40.
The square root of 72888700 is about 8537.4879209285. The cubic root of 72888700 is about 417.7214095667.
The spelling of 72888700 in words is "seventy-two million, eight hundred eighty-eight thousand, seven hundred".
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