Search a number
-
+
252009794 = 2159778901
BaseRepresentation
bin11110000010101…
…01110101000010
3122120012102110002
433001111311002
51004003303134
641001240002
76150022301
oct1701256502
9576172402
10252009794
1111a286763
1270493002
134029742a
1425680438
15171ce87e
hexf055d42

252009794 has 8 divisors (see below), whose sum is σ = 378256188. Its totient is φ = 125924400.

The previous prime is 252009767. The next prime is 252009833. The reversal of 252009794 is 497900252.

252009794 is digitally balanced in base 3, 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 2 ways, for example, as 236698225 + 15311569 = 15385^2 + 3913^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36257 + ... + 42644.

Almost surely, 2252009794 is an apocalyptic number.

252009794 is a deficient number, since it is larger than the sum of its proper divisors (126246394).

252009794 is a wasteful number, since it uses less digits than its factorization.

252009794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80500.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 252009794 is about 15874.8163453944. The cubic root of 252009794 is about 631.6441425202.

The spelling of 252009794 in words is "two hundred fifty-two million, nine thousand, seven hundred ninety-four".

Divisors: 1 2 1597 3194 78901 157802 126004897 252009794