Base | Representation |
---|---|
bin | 1010100000011… |
… | …01011000111001 |
3 | 20010211201210121 |
4 | 11100031120321 |
5 | 140030311400 |
6 | 12425013241 |
7 | 2120065003 |
oct | 520153071 |
9 | 203751717 |
10 | 88135225 |
11 | 45828332 |
12 | 25624221 |
13 | 1534b229 |
14 | b9c3373 |
15 | 7b0e21a |
hex | 540d639 |
88135225 has 12 divisors (see below), whose sum is σ = 115716924. Its totient is φ = 66360320.
The previous prime is 88135219. The next prime is 88135283. The reversal of 88135225 is 52253188.
It can be written as a sum of positive squares in 6 ways, for example, as 4613904 + 83521321 = 2148^2 + 9139^2 .
It is not a de Polignac number, because 88135225 - 29 = 88134713 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103264 + ... + 104113.
It is an arithmetic number, because the mean of its divisors is an integer number (9643077).
Almost surely, 288135225 is an apocalyptic number.
88135225 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
88135225 is a deficient number, since it is larger than the sum of its proper divisors (27581699).
88135225 is a wasteful number, since it uses less digits than its factorization.
88135225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 207404 (or 207399 counting only the distinct ones).
The product of its digits is 19200, while the sum is 34.
The square root of 88135225 is about 9388.0362696359. The cubic root of 88135225 is about 445.0237331112.
The spelling of 88135225 in words is "eighty-eight million, one hundred thirty-five thousand, two hundred twenty-five".
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