Base | Representation |
---|---|
bin | 1010011000000… |
… | …00100011001000 |
3 | 20001202210021120 |
4 | 11030000203020 |
5 | 134240042211 |
6 | 12345235240 |
7 | 2104530414 |
oct | 514004310 |
9 | 201683246 |
10 | 87034056 |
11 | 45145a7a |
12 | 25192b20 |
13 | 15053c55 |
14 | b7b7d44 |
15 | 7992d06 |
hex | 53008c8 |
87034056 has 48 divisors (see below), whose sum is σ = 221939760. Its totient is φ = 28441920.
The previous prime is 87034037. The next prime is 87034061. The reversal of 87034056 is 65043078.
It is a super-2 number, since 2×870340562 = 15149853807622272, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66771 + ... + 68061.
It is an arithmetic number, because the mean of its divisors is an integer number (4623745).
Almost surely, 287034056 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87034056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110969880).
87034056 is an abundant number, since it is smaller than the sum of its proper divisors (134905704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87034056 is a wasteful number, since it uses less digits than its factorization.
87034056 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1406 (or 1349 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 33.
The square root of 87034056 is about 9329.2044676918. The cubic root of 87034056 is about 443.1625721585.
The spelling of 87034056 in words is "eighty-seven million, thirty-four thousand, fifty-six".
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