Base | Representation |
---|---|
bin | 1000010101010… |
… | …11111011010001 |
3 | 11212112210210121 |
4 | 10022223323101 |
5 | 120344111400 |
6 | 10534230241 |
7 | 1506140620 |
oct | 412537321 |
9 | 155483717 |
10 | 69910225 |
11 | 3650a650 |
12 | 1b4b5381 |
13 | 116399c8 |
14 | 93db6b7 |
15 | 620e21a |
hex | 42abed1 |
69910225 has 48 divisors (see below), whose sum is σ = 112849920. Its totient is φ = 41659200.
The previous prime is 69910201. The next prime is 69910231. The reversal of 69910225 is 52201996.
It is not a de Polignac number, because 69910225 - 25 = 69910193 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43486 + ... + 45064.
It is an arithmetic number, because the mean of its divisors is an integer number (2351040).
Almost surely, 269910225 is an apocalyptic number.
It is an amenable number.
69910225 is a deficient number, since it is larger than the sum of its proper divisors (42939695).
69910225 is a wasteful number, since it uses less digits than its factorization.
69910225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1630 (or 1625 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 34.
The square root of 69910225 is about 8361.2334616371. The cubic root of 69910225 is about 411.9522696615.
The spelling of 69910225 in words is "sixty-nine million, nine hundred ten thousand, two hundred twenty-five".
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