Base | Representation |
---|---|
bin | 11110000011011… |
… | …10011001011111 |
3 | 122120101112111101 |
4 | 33001232121133 |
5 | 1004020013211 |
6 | 41003333531 |
7 | 6150621556 |
oct | 1701563137 |
9 | 576345441 |
10 | 252110431 |
11 | 11a345331 |
12 | 705212a7 |
13 | 40301191 |
14 | 256a8d9d |
15 | 171ee5c1 |
hex | f06e65f |
252110431 has 2 divisors, whose sum is σ = 252110432. Its totient is φ = 252110430.
The previous prime is 252110423. The next prime is 252110437. The reversal of 252110431 is 134011252.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 252110431 - 23 = 252110423 is a prime.
It is a super-2 number, since 2×2521104312 = 127119338838011522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 252110399 and 252110408.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (252110437) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126055215 + 126055216.
It is an arithmetic number, because the mean of its divisors is an integer number (126055216).
Almost surely, 2252110431 is an apocalyptic number.
252110431 is a deficient number, since it is larger than the sum of its proper divisors (1).
252110431 is an equidigital number, since it uses as much as digits as its factorization.
252110431 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 252110431 is about 15877.9857349728. The cubic root of 252110431 is about 631.7282110940.
Adding to 252110431 its reverse (134011252), we get a palindrome (386121683).
It can be divided in two parts, 2521104 and 31, that added together give a triangular number (2521135 = T2245).
The spelling of 252110431 in words is "two hundred fifty-two million, one hundred ten thousand, four hundred thirty-one".
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