Base | Representation |
---|---|
bin | 1010011101110… |
… | …11010100001010 |
3 | 20010012122122200 |
4 | 11032323110022 |
5 | 134434032200 |
6 | 12413501030 |
7 | 2114164623 |
oct | 516732412 |
9 | 203178580 |
10 | 87799050 |
11 | 456187a9 |
12 | 254a1776 |
13 | 15261201 |
14 | b936a4a |
15 | 7a94800 |
hex | 53bb50a |
87799050 has 144 divisors (see below), whose sum is σ = 261144000. Its totient is φ = 21035520.
The previous prime is 87799013. The next prime is 87799087. The reversal of 87799050 is 5099778.
It is an interprime number because it is at equal distance from previous prime (87799013) and next prime (87799087).
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 87798987 and 87799005.
It is an unprimeable number.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 175701 + ... + 176199.
It is an arithmetic number, because the mean of its divisors is an integer number (1813500).
Almost surely, 287799050 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 87799050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130572000).
87799050 is an abundant number, since it is smaller than the sum of its proper divisors (173344950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87799050 is a wasteful number, since it uses less digits than its factorization.
87799050 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 557 (or 549 counting only the distinct ones).
The product of its (nonzero) digits is 158760, while the sum is 45.
The square root of 87799050 is about 9370.1147271525. The cubic root of 87799050 is about 444.4571928056.
The spelling of 87799050 in words is "eighty-seven million, seven hundred ninety-nine thousand, fifty".
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