Base | Representation |
---|---|
bin | 11110000110110… |
… | …00101011010001 |
3 | 122121012122122010 |
4 | 33003120223101 |
5 | 1004122430440 |
6 | 41020533133 |
7 | 6154413654 |
oct | 1703305321 |
9 | 577178563 |
10 | 252545745 |
11 | 11a6123a1 |
12 | 706b11a9 |
13 | 4042436a |
14 | 2577d89b |
15 | 17288580 |
hex | f0d8ad1 |
252545745 has 8 divisors (see below), whose sum is σ = 404073216. Its totient is φ = 134691056.
The previous prime is 252545719. The next prime is 252545749. The reversal of 252545745 is 547545252.
252545745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 252545745 - 212 = 252541649 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (252545749) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8418177 + ... + 8418206.
It is an arithmetic number, because the mean of its divisors is an integer number (50509152).
Almost surely, 2252545745 is an apocalyptic number.
It is an amenable number.
252545745 is a deficient number, since it is larger than the sum of its proper divisors (151527471).
252545745 is a wasteful number, since it uses less digits than its factorization.
252545745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16836391.
The product of its digits is 280000, while the sum is 39.
The square root of 252545745 is about 15891.6879216778. The cubic root of 252545745 is about 632.0915994790.
The spelling of 252545745 in words is "two hundred fifty-two million, five hundred forty-five thousand, seven hundred forty-five".
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