Search a number
-
+
431044130 = 25113918583
BaseRepresentation
bin11001101100010…
…011011000100010
31010001002022101102
4121230103120202
51340321403010
6110434434402
713452546266
oct3154233042
91101068342
10431044130
11201349920
12100432a02
136b3c08ca
14413660a6
1527c96ba5
hex19b13622

431044130 has 16 divisors (see below), whose sum is σ = 846414144. Its totient is φ = 156743280.

The previous prime is 431044121. The next prime is 431044157. The reversal of 431044130 is 31440134.

It is a happy number.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1959182 + ... + 1959401.

It is an arithmetic number, because the mean of its divisors is an integer number (52900884).

Almost surely, 2431044130 is an apocalyptic number.

431044130 is a deficient number, since it is larger than the sum of its proper divisors (415370014).

431044130 is a wasteful number, since it uses less digits than its factorization.

431044130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918601.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 431044130 is about 20761.6022984740. The cubic root of 431044130 is about 755.3946623077.

Adding to 431044130 its reverse (31440134), we get a palindrome (462484264).

The spelling of 431044130 in words is "four hundred thirty-one million, forty-four thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 3918583 7837166 19592915 39185830 43104413 86208826 215522065 431044130