Base | Representation |
---|---|
bin | 1010011011011… |
… | …10101100110110 |
3 | 20002121201012000 |
4 | 11031232230312 |
5 | 134344011423 |
6 | 12403040130 |
7 | 2111420001 |
oct | 515565466 |
9 | 202551160 |
10 | 87485238 |
11 | 45423a55 |
12 | 25370046 |
13 | 15181419 |
14 | b894538 |
15 | 7a31843 |
hex | 536eb36 |
87485238 has 32 divisors (see below), whose sum is σ = 202867200. Its totient is φ = 27893448.
The previous prime is 87485221. The next prime is 87485249. The reversal of 87485238 is 83258478.
87485238 is a `hidden beast` number, since 87 + 48 + 523 + 8 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 87485193 and 87485202.
It is a congruent 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, 33978 + ... + 36461.
It is an arithmetic number, because the mean of its divisors is an integer number (6339600).
Almost surely, 287485238 is an apocalyptic number.
87485238 is an abundant number, since it is smaller than the sum of its proper divisors (115381962).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87485238 is a wasteful number, since it uses less digits than its factorization.
87485238 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70473 (or 70467 counting only the distinct ones).
The product of its digits is 430080, while the sum is 45.
The square root of 87485238 is about 9353.3543715610. The cubic root of 87485238 is about 443.9270332979.
The spelling of 87485238 in words is "eighty-seven million, four hundred eighty-five thousand, two hundred thirty-eight".
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