Base | Representation |
---|---|
bin | 11110001000101… |
… | …11001101001100 |
3 | 122121200122222011 |
4 | 33010113031030 |
5 | 1004204124433 |
6 | 41030231004 |
7 | 6156531454 |
oct | 1704271514 |
9 | 577618864 |
10 | 252801868 |
11 | 11a777870 |
12 | 707b5464 |
13 | 404b3b07 |
14 | 25808d64 |
15 | 172d93cd |
hex | f11734c |
252801868 has 24 divisors (see below), whose sum is σ = 483036624. Its totient is φ = 114811200.
The previous prime is 252801863. The next prime is 252801877. The reversal of 252801868 is 868108252.
It is a happy number.
252801868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 252801868.
It is not an unprimeable number, because it can be changed into a prime (252801863) 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, 81058 + ... + 84118.
It is an arithmetic number, because the mean of its divisors is an integer number (20126526).
Almost surely, 2252801868 is an apocalyptic number.
It is an amenable number.
252801868 is a deficient number, since it is larger than the sum of its proper divisors (230234756).
252801868 is a wasteful number, since it uses less digits than its factorization.
252801868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4953 (or 4951 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 40.
The square root of 252801868 is about 15899.7442746731. The cubic root of 252801868 is about 632.3052089629.
The spelling of 252801868 in words is "two hundred fifty-two million, eight hundred one thousand, eight hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •