Base | Representation |
---|---|
bin | 1010010101110… |
… | …01111010011010 |
3 | 20001020002101210 |
4 | 11022321322122 |
5 | 134201312410 |
6 | 12335123550 |
7 | 2102214042 |
oct | 512717232 |
9 | 201202353 |
10 | 86744730 |
11 | 44a68666 |
12 | 250735b6 |
13 | 14c82357 |
14 | b740722 |
15 | 7937220 |
hex | 52b9e9a |
86744730 has 32 divisors (see below), whose sum is σ = 217240704. Its totient is φ = 22126016.
The previous prime is 86744719. The next prime is 86744731. The reversal of 86744730 is 3744768.
It is a happy number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (86744731) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62169 + ... + 63548.
It is an arithmetic number, because the mean of its divisors is an integer number (6788772).
Almost surely, 286744730 is an apocalyptic number.
86744730 is an abundant number, since it is smaller than the sum of its proper divisors (130495974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86744730 is a wasteful number, since it uses less digits than its factorization.
86744730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125750.
The product of its (nonzero) digits is 112896, while the sum is 39.
The square root of 86744730 is about 9313.6850923788. The cubic root of 86744730 is about 442.6709607846.
The spelling of 86744730 in words is "eighty-six million, seven hundred forty-four thousand, seven hundred thirty".
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