Base | Representation |
---|---|
bin | 1010010110110… |
… | …10010011000100 |
3 | 20001110211100202 |
4 | 11023122103010 |
5 | 134220034010 |
6 | 12342030032 |
7 | 2103305552 |
oct | 513322304 |
9 | 201424322 |
10 | 86877380 |
11 | 45049297 |
12 | 25118318 |
13 | 14cca845 |
14 | b776bd2 |
15 | 79616a5 |
hex | 52da4c4 |
86877380 has 12 divisors (see below), whose sum is σ = 182442540. Its totient is φ = 34750944.
The previous prime is 86877377. The next prime is 86877383. The reversal of 86877380 is 8377868.
It is an interprime number because it is at equal distance from previous prime (86877377) and next prime (86877383).
It can be written as a sum of positive squares in 2 ways, for example, as 15745024 + 71132356 = 3968^2 + 8434^2 .
It is not an unprimeable number, because it can be changed into a prime (86877383) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2171915 + ... + 2171954.
It is an arithmetic number, because the mean of its divisors is an integer number (15203545).
Almost surely, 286877380 is an apocalyptic number.
It is an amenable number.
86877380 is an abundant number, since it is smaller than the sum of its proper divisors (95565160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86877380 is a wasteful number, since it uses less digits than its factorization.
86877380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4343878 (or 4343876 counting only the distinct ones).
The product of its (nonzero) digits is 451584, while the sum is 47.
The square root of 86877380 is about 9320.8036134230. The cubic root of 86877380 is about 442.8964899384.
The spelling of 86877380 in words is "eighty-six million, eight hundred seventy-seven thousand, three hundred eighty".
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