Search a number
-
+
252390755 = 5172969303
BaseRepresentation
bin11110000101100…
…10110101100011
3122120220210000202
433002302311203
51004103001010
641013335415
76153200051
oct1702626543
9576823022
10252390755
1111a516a01
127063756b
134039b956
142573d1d1
15172576a5
hexf0b2d63

252390755 has 8 divisors (see below), whose sum is σ = 320684832. Its totient is φ = 190035328.

The previous prime is 252390751. The next prime is 252390773. The reversal of 252390755 is 557093252.

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

It is a cyclic number.

It is not a de Polignac number, because 252390755 - 22 = 252390751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252390751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484567 + ... + 1484736.

It is an arithmetic number, because the mean of its divisors is an integer number (40085604).

Almost surely, 2252390755 is an apocalyptic number.

252390755 is a deficient number, since it is larger than the sum of its proper divisors (68294077).

252390755 is a wasteful number, since it uses less digits than its factorization.

252390755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969325.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 252390755 is about 15886.8107246231. The cubic root of 252390755 is about 631.9622659133.

The spelling of 252390755 in words is "two hundred fifty-two million, three hundred ninety thousand, seven hundred fifty-five".

Divisors: 1 5 17 85 2969303 14846515 50478151 252390755