Base | Representation |
---|---|
bin | 1010011001110… |
… | …00111000000000 |
3 | 20002012111202110 |
4 | 11030320320000 |
5 | 134314433033 |
6 | 12354215320 |
7 | 2106511143 |
oct | 514707000 |
9 | 202174673 |
10 | 87264768 |
11 | 45293348 |
12 | 25284540 |
13 | 15104c76 |
14 | b83805a |
15 | 79db363 |
hex | 5338e00 |
87264768 has 40 divisors (see below), whose sum is σ = 232482888. Its totient is φ = 29087744.
The previous prime is 87264761. The next prime is 87264773. The reversal of 87264768 is 86746278.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87264761) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26871 + ... + 29942.
Almost surely, 287264768 is an apocalyptic number.
It is an amenable number.
87264768 is an abundant number, since it is smaller than the sum of its proper divisors (145218120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87264768 is an equidigital number, since it uses as much as digits as its factorization.
87264768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56834 (or 56818 counting only the distinct ones).
The product of its digits is 903168, while the sum is 48.
The square root of 87264768 is about 9341.5613256029. The cubic root of 87264768 is about 443.5538087165.
The spelling of 87264768 in words is "eighty-seven million, two hundred sixty-four thousand, seven hundred sixty-eight".
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