Base | Representation |
---|---|
bin | 1010010111100… |
… | …11100101010000 |
3 | 20001200002102110 |
4 | 11023303211100 |
5 | 134231342234 |
6 | 12344145320 |
7 | 2104216521 |
oct | 513634520 |
9 | 201602373 |
10 | 86980944 |
11 | 4510a086 |
12 | 25168240 |
13 | 15035a1b |
14 | b7a2848 |
15 | 79821e9 |
hex | 52f3950 |
86980944 has 20 divisors (see below), whose sum is σ = 224700896. Its totient is φ = 28993632.
The previous prime is 86980913. The next prime is 86980951. The reversal of 86980944 is 44908968.
It is a super-2 number, since 2×869809442 = 15131369238262272, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1812103 = 86980944 / (8 + 6 + 9 + 8 + 0 + 9 + 4 + 4).
It is a junction number, because it is equal to n+sod(n) for n = 86980893 and 86980902.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 906004 + ... + 906099.
Almost surely, 286980944 is an apocalyptic number.
It is an amenable number.
86980944 is an abundant number, since it is smaller than the sum of its proper divisors (137719952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
86980944 is a wasteful number, since it uses less digits than its factorization.
86980944 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1812114 (or 1812108 counting only the distinct ones).
The product of its (nonzero) digits is 497664, while the sum is 48.
The square root of 86980944 is about 9326.3574883231. The cubic root of 86980944 is about 443.0724080662.
The spelling of 86980944 in words is "eighty-six million, nine hundred eighty thousand, nine hundred forty-four".
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