Search a number
-
+
425500431 = 3175380909
BaseRepresentation
bin11001010111001…
…001111100001111
31002122122122212020
4121113021330033
51332412003211
6110115541223
713354460016
oct3127117417
91078578766
10425500431
111a9202854
12ba5ba813
136a1cc505
1440721a7d
152754e306
hex195c9f0f

425500431 has 8 divisors (see below), whose sum is σ = 567664560. Its totient is φ = 283501632.

The previous prime is 425500403. The next prime is 425500433. The reversal of 425500431 is 134005524.

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

It is not a de Polignac number, because 425500431 - 27 = 425500303 is a prime.

It is a super-2 number, since 2×4255004312 = 362101233562371522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425500433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35196 + ... + 45713.

It is an arithmetic number, because the mean of its divisors is an integer number (70958070).

Almost surely, 2425500431 is an apocalyptic number.

425500431 is a deficient number, since it is larger than the sum of its proper divisors (142164129).

425500431 is a wasteful number, since it uses less digits than its factorization.

425500431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82665.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 425500431 is about 20627.6617918755. The cubic root of 425500431 is about 752.1422785860.

Adding to 425500431 its reverse (134005524), we get a palindrome (559505955).

The spelling of 425500431 in words is "four hundred twenty-five million, five hundred thousand, four hundred thirty-one".

Divisors: 1 3 1753 5259 80909 242727 141833477 425500431