Base | Representation |
---|---|
bin | 1010010111101… |
… | …01010101000011 |
3 | 20001200110020110 |
4 | 11023311111003 |
5 | 134232104344 |
6 | 12344242403 |
7 | 2104246422 |
oct | 513652503 |
9 | 201613213 |
10 | 86988099 |
11 | 451144a0 |
12 | 25170403 |
13 | 15039063 |
14 | b7a52b9 |
15 | 79843b9 |
hex | 52f5543 |
86988099 has 32 divisors (see below), whose sum is σ = 141039360. Its totient is φ = 47001600.
The previous prime is 86988079. The next prime is 86988107. The reversal of 86988099 is 99088968.
It is not a de Polignac number, because 86988099 - 28 = 86987843 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is not an unprimeable number, because it can be changed into a prime (86988059) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6579 + ... + 14739.
It is an arithmetic number, because the mean of its divisors is an integer number (4407480).
Almost surely, 286988099 is an apocalyptic number.
86988099 is a deficient number, since it is larger than the sum of its proper divisors (54051261).
86988099 is a wasteful number, since it uses less digits than its factorization.
86988099 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8211.
The product of its (nonzero) digits is 2239488, while the sum is 57.
The square root of 86988099 is about 9326.7410707063. The cubic root of 86988099 is about 443.0845566895.
The spelling of 86988099 in words is "eighty-six million, nine hundred eighty-eight thousand, ninety-nine".
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