Base | Representation |
---|---|
bin | 1001111001110… |
… | …00110100011111 |
3 | 12210022101221112 |
4 | 10330320310133 |
5 | 132231221424 |
6 | 12124252235 |
7 | 2026041200 |
oct | 474706437 |
9 | 183271845 |
10 | 83070239 |
11 | 4298899a |
12 | 239a107b |
13 | 142969b5 |
14 | b0655a7 |
15 | 745d60e |
hex | 4f38d1f |
83070239 has 24 divisors (see below), whose sum is σ = 101943360. Its totient is φ = 67389504.
The previous prime is 83070203. The next prime is 83070241. The reversal of 83070239 is 93207038.
It is not a de Polignac number, because 83070239 - 216 = 83004703 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83070269) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74762 + ... + 75864.
It is an arithmetic number, because the mean of its divisors is an integer number (4247640).
Almost surely, 283070239 is an apocalyptic number.
83070239 is a deficient number, since it is larger than the sum of its proper divisors (18873121).
83070239 is a wasteful number, since it uses less digits than its factorization.
83070239 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1199 (or 1192 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 83070239 is about 9114.2876298699. The cubic root of 83070239 is about 436.3300796336.
The spelling of 83070239 in words is "eighty-three million, seventy thousand, two hundred thirty-nine".
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