Search a number
-
+
252286739 is a prime number
BaseRepresentation
bin11110000100110…
…01011100010011
3122120201111100022
433002121130103
51004041133424
641011214055
76152254565
oct1702313423
9576644308
10252286739
1111a455841
12705a732b
13403634c3
1425713335
151723695e
hexf099713

252286739 has 2 divisors, whose sum is σ = 252286740. Its totient is φ = 252286738.

The previous prime is 252286729. The next prime is 252286763. The reversal of 252286739 is 937682252.

252286739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 252286739 - 224 = 235509523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252286739.

It is not a weakly prime, because it can be changed into another prime (252286709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126143369 + 126143370.

It is an arithmetic number, because the mean of its divisors is an integer number (126143370).

Almost surely, 2252286739 is an apocalyptic number.

252286739 is a deficient number, since it is larger than the sum of its proper divisors (1).

252286739 is an equidigital number, since it uses as much as digits as its factorization.

252286739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 252286739 is about 15883.5367283234. The cubic root of 252286739 is about 631.8754386187.

The spelling of 252286739 in words is "two hundred fifty-two million, two hundred eighty-six thousand, seven hundred thirty-nine".