Base | Representation |
---|---|
bin | 1010100000110… |
… | …11100100001101 |
3 | 20010221200110021 |
4 | 11100123210031 |
5 | 140034141133 |
6 | 12430142141 |
7 | 2120426206 |
oct | 520334415 |
9 | 203850407 |
10 | 88193293 |
11 | 45867a21 |
12 | 25651951 |
13 | 1536b7a6 |
14 | b9da5ad |
15 | 7b2152d |
hex | 541b90d |
88193293 has 12 divisors (see below), whose sum is σ = 92671740. Its totient is φ = 83923136.
The previous prime is 88193257. The next prime is 88193299. The reversal of 88193293 is 39239188.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 52157284 + 36036009 = 7222^2 + 6003^2 .
It is not a de Polignac number, because 88193293 - 29 = 88192781 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 (88193299) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154713 + ... + 155281.
It is an arithmetic number, because the mean of its divisors is an integer number (7722645).
Almost surely, 288193293 is an apocalyptic number.
It is an amenable number.
88193293 is a deficient number, since it is larger than the sum of its proper divisors (4478447).
88193293 is a wasteful number, since it uses less digits than its factorization.
88193293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 908 (or 885 counting only the distinct ones).
The product of its digits is 93312, while the sum is 43.
The square root of 88193293 is about 9391.1284199504. The cubic root of 88193293 is about 445.1214464638.
The spelling of 88193293 in words is "eighty-eight million, one hundred ninety-three thousand, two hundred ninety-three".
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