Base | Representation |
---|---|
bin | 1010010101110… |
… | …10111000010000 |
3 | 20001020021211101 |
4 | 11022322320100 |
5 | 134201424223 |
6 | 12335154144 |
7 | 2102231425 |
oct | 512727020 |
9 | 201207741 |
10 | 86748688 |
11 | 44a70634 |
12 | 25075954 |
13 | 14c840b0 |
14 | b741d4c |
15 | 79384ad |
hex | 52bae10 |
86748688 has 40 divisors (see below), whose sum is σ = 191659608. Its totient is φ = 37681152.
The previous prime is 86748679. The next prime is 86748689. The reversal of 86748688 is 88684768.
It can be written as a sum of positive squares in 4 ways, for example, as 35344 + 86713344 = 188^2 + 9312^2 .
It is not an unprimeable number, because it can be changed into a prime (86748689) 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, 8731 + ... + 15802.
Almost surely, 286748688 is an apocalyptic number.
It is an amenable number.
86748688 is an abundant number, since it is smaller than the sum of its proper divisors (104910920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86748688 is a wasteful number, since it uses less digits than its factorization.
86748688 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24571 (or 24565 counting only the distinct ones).
The product of its digits is 4128768, while the sum is 55.
The square root of 86748688 is about 9313.8975729820. The cubic root of 86748688 is about 442.6776934319.
The spelling of 86748688 in words is "eighty-six million, seven hundred forty-eight thousand, six hundred eighty-eight".
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