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431145125 = 5310333487
BaseRepresentation
bin11001101100101…
…100000010100101
31010001021102220222
4121230230002211
51340333121000
6110440534125
713453446605
oct3154540245
91101242828
10431145125
11201408794
12100481345
136b427878
1441390c05
1527cb6a85
hex19b2c0a5

431145125 has 16 divisors (see below), whose sum is σ = 543309312. Its totient is φ = 341557200.

The previous prime is 431145101. The next prime is 431145139. The reversal of 431145125 is 521541134.

It is not a de Polignac number, because 431145125 - 214 = 431128741 is a prime.

It is a super-2 number, since 2×4311451252 = 371772237622531250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431145094 and 431145103.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 3869 + ... + 29618.

It is an arithmetic number, because the mean of its divisors is an integer number (33956832).

Almost surely, 2431145125 is an apocalyptic number.

It is an amenable number.

431145125 is a deficient number, since it is larger than the sum of its proper divisors (112164187).

431145125 is a wasteful number, since it uses less digits than its factorization.

431145125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33605 (or 33595 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 431145125 is about 20764.0344104897. The cubic root of 431145125 is about 755.4536548184.

Adding to 431145125 its reverse (521541134), we get a palindrome (952686259).

The spelling of 431145125 in words is "four hundred thirty-one million, one hundred forty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 103 125 515 2575 12875 33487 167435 837175 3449161 4185875 17245805 86229025 431145125