Base | Representation |
---|---|
bin | 1010010111111… |
… | …10101001010000 |
3 | 20001202101120200 |
4 | 11023332221100 |
5 | 134234320011 |
6 | 12345135200 |
7 | 2104465602 |
oct | 513765120 |
9 | 201671520 |
10 | 87026256 |
11 | 45140129 |
12 | 2518a500 |
13 | 15050535 |
14 | b7b5172 |
15 | 7990856 |
hex | 52fea50 |
87026256 has 30 divisors (see below), whose sum is σ = 243553050. Its totient is φ = 29008704.
The previous prime is 87026249. The next prime is 87026263. The reversal of 87026256 is 65262078.
It is an interprime number because it is at equal distance from previous prime (87026249) and next prime (87026263).
It can be written as a sum of positive squares in only one way, i.e., 85377600 + 1648656 = 9240^2 + 1284^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a self number, because there is not a number n which added to its sum of digits gives 87026256.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 302031 + ... + 302318.
It is an arithmetic number, because the mean of its divisors is an integer number (8118435).
Almost surely, 287026256 is an apocalyptic number.
It is an amenable number.
87026256 is an abundant number, since it is smaller than the sum of its proper divisors (156526794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87026256 is a wasteful number, since it uses less digits than its factorization.
87026256 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 604363 (or 604354 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 36.
The square root of 87026256 is about 9328.7864162494. The cubic root of 87026256 is about 443.1493330064.
The spelling of 87026256 in words is "eighty-seven million, twenty-six thousand, two hundred fifty-six".
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