Base | Representation |
---|---|
bin | 1001111010010… |
… | …01011001001100 |
3 | 12210102212001210 |
4 | 10331021121030 |
5 | 132240404444 |
6 | 12125534420 |
7 | 2026443126 |
oct | 475113114 |
9 | 183385053 |
10 | 83138124 |
11 | 42a249a3 |
12 | 23a14410 |
13 | 142bb874 |
14 | b082216 |
15 | 74737b9 |
hex | 4f4964c |
83138124 has 24 divisors (see below), whose sum is σ = 195388480. Its totient is φ = 27512784.
The previous prime is 83138113. The next prime is 83138131. The reversal of 83138124 is 42183138.
It is a junction number, because it is equal to n+sod(n) for n = 83138091 and 83138100.
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 7 ways as a sum of consecutive naturals, for example, 23254 + ... + 26589.
Almost surely, 283138124 is an apocalyptic number.
It is an amenable number.
83138124 is an abundant number, since it is smaller than the sum of its proper divisors (112250356).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83138124 is a wasteful number, since it uses less digits than its factorization.
83138124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49989 (or 49987 counting only the distinct ones).
The product of its digits is 4608, while the sum is 30.
The square root of 83138124 is about 9118.0109673108. The cubic root of 83138124 is about 436.4489035867.
It can be divided in two parts, 831381 and 24, that added together give a triangular number (831405 = T1289).
The spelling of 83138124 in words is "eighty-three million, one hundred thirty-eight thousand, one hundred twenty-four".
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