Search a number
-
+
252245704 = 2331530713
BaseRepresentation
bin11110000100011…
…11011011001000
3122120122102001111
433002033123020
51004033330304
641010300104
76152024134
oct1702173310
9576572044
10252245704
1111a427a27
1270587634
134034a919
14257023c4
1517229704
hexf08f6c8

252245704 has 8 divisors (see below), whose sum is σ = 472960710. Its totient is φ = 126122848.

The previous prime is 252245701. The next prime is 252245731. The reversal of 252245704 is 407542252.

252245704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 146361604 + 105884100 = 12098^2 + 10290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (252245701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15765349 + ... + 15765364.

Almost surely, 2252245704 is an apocalyptic number.

It is an amenable number.

252245704 is a deficient number, since it is larger than the sum of its proper divisors (220715006).

252245704 is a wasteful number, since it uses less digits than its factorization.

252245704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31530719 (or 31530715 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 252245704 is about 15882.2449294802. The cubic root of 252245704 is about 631.8411781119.

Adding to 252245704 its reverse (407542252), we get a palindrome (659787956).

The spelling of 252245704 in words is "two hundred fifty-two million, two hundred forty-five thousand, seven hundred four".

Divisors: 1 2 4 8 31530713 63061426 126122852 252245704