Search a number
-
+
4252531 = 29146639
BaseRepresentation
bin10000001110001101110011
322000001101011
4100032031303
52042040111
6231051351
751101023
oct20161563
98001334
104252531
112444a98
121510b57
13b5b7ba
147c9a83
15590021
hex40e373

4252531 has 4 divisors (see below), whose sum is σ = 4399200. Its totient is φ = 4105864.

The previous prime is 4252519. The next prime is 4252541. The reversal of 4252531 is 1352524.

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

It is a cyclic number.

It is not a de Polignac number, because 4252531 - 29 = 4252019 is a prime.

It is a super-2 number, since 2×42525312 = 36168039811922, which contains 22 as substring.

It is a Duffinian number.

4252531 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4252511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73291 + ... + 73348.

It is an arithmetic number, because the mean of its divisors is an integer number (1099800).

Almost surely, 24252531 is an apocalyptic number.

4252531 is a deficient number, since it is larger than the sum of its proper divisors (146669).

4252531 is a wasteful number, since it uses less digits than its factorization.

4252531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146668.

The product of its digits is 1200, while the sum is 22.

The square root of 4252531 is about 2062.1665791104. The cubic root of 4252531 is about 162.0127384181.

The spelling of 4252531 in words is "four million, two hundred fifty-two thousand, five hundred thirty-one".

Divisors: 1 29 146639 4252531