Base | Representation |
---|---|
bin | 11110000011011… |
… | …01100110001011 |
3 | 122120101100222202 |
4 | 33001231212023 |
5 | 1004014412042 |
6 | 41003310415 |
7 | 6150606155 |
oct | 1701554613 |
9 | 576340882 |
10 | 252107147 |
11 | 11a342916 |
12 | 7051b40b |
13 | 402cc836 |
14 | 256a7ad5 |
15 | 171ed632 |
hex | f06d98b |
252107147 has 4 divisors (see below), whose sum is σ = 252164640. Its totient is φ = 252049656.
The previous prime is 252107137. The next prime is 252107153. The reversal of 252107147 is 741701252.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 252107147 - 218 = 251845003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (252107137) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21572 + ... + 31137.
It is an arithmetic number, because the mean of its divisors is an integer number (63041160).
Almost surely, 2252107147 is an apocalyptic number.
252107147 is a deficient number, since it is larger than the sum of its proper divisors (57493).
252107147 is an equidigital number, since it uses as much as digits as its factorization.
252107147 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57492.
The product of its (nonzero) digits is 3920, while the sum is 29.
The square root of 252107147 is about 15877.8823210150. The cubic root of 252107147 is about 631.7254681103.
Adding to 252107147 its reverse (741701252), we get a palindrome (993808399).
The spelling of 252107147 in words is "two hundred fifty-two million, one hundred seven thousand, one hundred forty-seven".
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