Base | Representation |
---|---|
bin | 11110000101001… |
… | …11110110101111 |
3 | 122120211111022211 |
4 | 33002213312233 |
5 | 1004100031100 |
6 | 41012351251 |
7 | 6152621653 |
oct | 1702476657 |
9 | 576744284 |
10 | 252345775 |
11 | 11a496130 |
12 | 70615527 |
13 | 40384336 |
14 | 2572aa63 |
15 | 172491ba |
hex | f0a7daf |
252345775 has 24 divisors (see below), whose sum is σ = 349696368. Its totient is φ = 179040000.
The previous prime is 252345727. The next prime is 252345781. The reversal of 252345775 is 577543252.
It is not a de Polignac number, because 252345775 - 213 = 252337583 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85 + ... + 22465.
It is an arithmetic number, because the mean of its divisors is an integer number (14570682).
Almost surely, 2252345775 is an apocalyptic number.
252345775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
252345775 is a deficient number, since it is larger than the sum of its proper divisors (97350593).
252345775 is a wasteful number, since it uses less digits than its factorization.
252345775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22443 (or 22438 counting only the distinct ones).
The product of its digits is 294000, while the sum is 40.
The square root of 252345775 is about 15885.3950218432. The cubic root of 252345775 is about 631.9247218129.
The spelling of 252345775 in words is "two hundred fifty-two million, three hundred forty-five thousand, seven hundred seventy-five".
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