Base | Representation |
---|---|
bin | 1001100100110… |
… | …01111001011010 |
3 | 12121010210021000 |
4 | 10302121321122 |
5 | 131030302023 |
6 | 11545325430 |
7 | 1663504221 |
oct | 462317132 |
9 | 177123230 |
10 | 80322138 |
11 | 41381236 |
12 | 22a96876 |
13 | 13843bc0 |
14 | a94bcb8 |
15 | 70b9243 |
hex | 4c99e5a |
80322138 has 32 divisors (see below), whose sum is σ = 192225600. Its totient is φ = 24714288.
The previous prime is 80322131. The next prime is 80322163. The reversal of 80322138 is 83122308.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (80322131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56508 + ... + 57911.
It is an arithmetic number, because the mean of its divisors is an integer number (6007050).
Almost surely, 280322138 is an apocalyptic number.
80322138 is an abundant number, since it is smaller than the sum of its proper divisors (111903462).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80322138 is a wasteful number, since it uses less digits than its factorization.
80322138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114443 (or 114437 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 27.
The square root of 80322138 is about 8962.2618796819. The cubic root of 80322138 is about 431.4645178488.
The spelling of 80322138 in words is "eighty million, three hundred twenty-two thousand, one hundred thirty-eight".
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