Base | Representation |
---|---|
bin | 1010010010110… |
… | …01111000001010 |
3 | 20000111002210220 |
4 | 11021121320022 |
5 | 134101220440 |
6 | 12322450510 |
7 | 2065655160 |
oct | 511317012 |
9 | 200432726 |
10 | 86351370 |
11 | 4481a076 |
12 | 24b03a36 |
13 | 14b752b1 |
14 | b67b230 |
15 | 78aa8d0 |
hex | 5259e0a |
86351370 has 32 divisors (see below), whose sum is σ = 236850048. Its totient is φ = 19737408.
The previous prime is 86351359. The next prime is 86351423. The reversal of 86351370 is 7315368.
It is a happy number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205389 + ... + 205808.
It is an arithmetic number, because the mean of its divisors is an integer number (7401564).
Almost surely, 286351370 is an apocalyptic number.
86351370 is an abundant number, since it is smaller than the sum of its proper divisors (150498678).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86351370 is a wasteful number, since it uses less digits than its factorization.
86351370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411214.
The product of its (nonzero) digits is 15120, while the sum is 33.
The square root of 86351370 is about 9292.5437852076. The cubic root of 86351370 is about 442.0008223950. Note that the first 3 decimals are identical.
The spelling of 86351370 in words is "eighty-six million, three hundred fifty-one thousand, three hundred seventy".
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