Base | Representation |
---|---|
bin | 11110000011001… |
… | …00000110010111 |
3 | 122120022101122000 |
4 | 33001210012113 |
5 | 1004012140442 |
6 | 41002410343 |
7 | 6150354564 |
oct | 1701440627 |
9 | 576271560 |
10 | 252068247 |
11 | 11a316672 |
12 | 705009b3 |
13 | 402b7c12 |
14 | 2569786b |
15 | 171e1d4c |
hex | f064197 |
252068247 has 32 divisors (see below), whose sum is σ = 395228160. Its totient is φ = 158447520.
The previous prime is 252068233. The next prime is 252068251. The reversal of 252068247 is 742860252.
It is not a de Polignac number, because 252068247 - 210 = 252067223 is a prime.
It is a super-2 number, since 2×2520682472 = 127076802291306018, which contains 22 as substring.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252068207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41233 + ... + 46949.
It is an arithmetic number, because the mean of its divisors is an integer number (12350880).
Almost surely, 2252068247 is an apocalyptic number.
252068247 is a gapful number since it is divisible by the number (27) formed by its first and last digit.
252068247 is a deficient number, since it is larger than the sum of its proper divisors (143159913).
252068247 is a wasteful number, since it uses less digits than its factorization.
252068247 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5820 (or 5814 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 36.
The square root of 252068247 is about 15876.6572993184. The cubic root of 252068247 is about 631.6929748033.
The spelling of 252068247 in words is "two hundred fifty-two million, sixty-eight thousand, two hundred forty-seven".
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