Base | Representation |
---|---|
bin | 1001111100010… |
… | …00010010010011 |
3 | 12210220221102210 |
4 | 10332020102103 |
5 | 132322130411 |
6 | 12135243203 |
7 | 2031565146 |
oct | 476102223 |
9 | 183827383 |
10 | 83395731 |
11 | 430904a1 |
12 | 23b19503 |
13 | 1437bbb3 |
14 | b10c05d |
15 | 74c4ca6 |
hex | 4f88493 |
83395731 has 16 divisors (see below), whose sum is σ = 117804800. Its totient is φ = 52329888.
The previous prime is 83395721. The next prime is 83395751. The reversal of 83395731 is 13759338.
It is not a de Polignac number, because 83395731 - 25 = 83395699 is a prime.
It is a super-2 number, since 2×833957312 = 13909695898048722, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 83395731.
It is not an unprimeable number, because it can be changed into a prime (83395721) 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, 4290 + ... + 13608.
It is an arithmetic number, because the mean of its divisors is an integer number (7362800).
Almost surely, 283395731 is an apocalyptic number.
83395731 is a deficient number, since it is larger than the sum of its proper divisors (34409069).
83395731 is a wasteful number, since it uses less digits than its factorization.
83395731 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9498.
The product of its digits is 68040, while the sum is 39.
The square root of 83395731 is about 9132.1263131869. The cubic root of 83395731 is about 436.8992239347.
The spelling of 83395731 in words is "eighty-three million, three hundred ninety-five thousand, seven hundred thirty-one".
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