Base | Representation |
---|---|
bin | 1010011001000… |
… | …01111111000110 |
3 | 20002000202011002 |
4 | 11030201333012 |
5 | 134303433024 |
6 | 12352213302 |
7 | 2105640620 |
oct | 514417706 |
9 | 202022132 |
10 | 87171014 |
11 | 45229967 |
12 | 2523a232 |
13 | 150a13a8 |
14 | b811c10 |
15 | 79bd6ae |
hex | 5321fc6 |
87171014 has 16 divisors (see below), whose sum is σ = 149722368. Its totient is φ = 37287432.
The previous prime is 87170983. The next prime is 87171017. The reversal of 87171014 is 41017178.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87171017) 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, 1967 + ... + 13349.
It is an arithmetic number, because the mean of its divisors is an integer number (9357648).
Almost surely, 287171014 is an apocalyptic number.
87171014 is a deficient number, since it is larger than the sum of its proper divisors (62551354).
87171014 is a wasteful number, since it uses less digits than its factorization.
87171014 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11939.
The product of its (nonzero) digits is 1568, while the sum is 29.
The square root of 87171014 is about 9336.5418651661. The cubic root of 87171014 is about 443.3949059272.
The spelling of 87171014 in words is "eighty-seven million, one hundred seventy-one thousand, fourteen".
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