Base | Representation |
---|---|
bin | 1010011001101… |
… | …01010011110011 |
3 | 20002011202201112 |
4 | 11030311103303 |
5 | 134314001123 |
6 | 12354023535 |
7 | 2106420440 |
oct | 514652363 |
9 | 202152645 |
10 | 87250163 |
11 | 45283380 |
12 | 25277bab |
13 | 150cb420 |
14 | b8329c7 |
15 | 79d6d78 |
hex | 53354f3 |
87250163 has 32 divisors (see below), whose sum is σ = 118444032. Its totient is φ = 62064000.
The previous prime is 87250123. The next prime is 87250169. The reversal of 87250163 is 36105278.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 87250163 - 212 = 87246067 is a prime.
It is a super-2 number, since 2×872501632 = 15225181887053138, which contains 22 as substring.
It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (87250169) 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, 100670 + ... + 101532.
It is an arithmetic number, because the mean of its divisors is an integer number (3701376).
Almost surely, 287250163 is an apocalyptic number.
87250163 is a deficient number, since it is larger than the sum of its proper divisors (31193869).
87250163 is a wasteful number, since it uses less digits than its factorization.
87250163 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 995.
The product of its (nonzero) digits is 10080, while the sum is 32.
The square root of 87250163 is about 9340.7795713206. The cubic root of 87250163 is about 443.5290623232.
The spelling of 87250163 in words is "eighty-seven million, two hundred fifty thousand, one hundred sixty-three".
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