Search a number
-
+
252050647 = 373675739
BaseRepresentation
bin11110000010111…
…11110011010111
3122120021111111011
433001133303113
51004011110042
641002153051
76150252352
oct1701376327
9576244434
10252050647
1111a304422
12704b2787
13402acbc4
1425691299
15171dba17
hexf05fcd7

252050647 has 4 divisors (see below), whose sum is σ = 252726760. Its totient is φ = 251374536.

The previous prime is 252050627. The next prime is 252050663. The reversal of 252050647 is 746050252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-252050647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252050627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337497 + ... + 338242.

It is an arithmetic number, because the mean of its divisors is an integer number (63181690).

Almost surely, 2252050647 is an apocalyptic number.

252050647 is a deficient number, since it is larger than the sum of its proper divisors (676113).

252050647 is an equidigital number, since it uses as much as digits as its factorization.

252050647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676112.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 252050647 is about 15876.1030167985. The cubic root of 252050647 is about 631.6782723629.

The spelling of 252050647 in words is "two hundred fifty-two million, fifty thousand, six hundred forty-seven".

Divisors: 1 373 675739 252050647