Base | Representation |
---|---|
bin | 11110001001011… |
… | …00000000001011 |
3 | 122121211222211002 |
4 | 33010230000023 |
5 | 1004214341201 |
6 | 41032125215 |
7 | 6160335014 |
oct | 1704540013 |
9 | 577758732 |
10 | 252887051 |
11 | 11a82586a |
12 | 7083680b |
13 | 40513811 |
14 | 2582c00b |
15 | 1730476b |
hex | f12c00b |
252887051 has 4 divisors (see below), whose sum is σ = 255494232. Its totient is φ = 250279872.
The previous prime is 252887027. The next prime is 252887059. The reversal of 252887051 is 150788252.
It is a happy number.
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 252887051 - 26 = 252886987 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 252886996 and 252887014.
It is not an unprimeable number, because it can be changed into a prime (252887059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303445 + ... + 1303638.
It is an arithmetic number, because the mean of its divisors is an integer number (63873558).
Almost surely, 2252887051 is an apocalyptic number.
252887051 is a deficient number, since it is larger than the sum of its proper divisors (2607181).
252887051 is an equidigital number, since it uses as much as digits as its factorization.
252887051 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2607180.
The product of its (nonzero) digits is 44800, while the sum is 38.
The square root of 252887051 is about 15902.4228028310. The cubic root of 252887051 is about 632.3762205770.
The spelling of 252887051 in words is "two hundred fifty-two million, eight hundred eighty-seven thousand, fifty-one".
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