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431441225 = 52127135887
BaseRepresentation
bin11001101101110…
…100010101001001
31010001211111002122
4121231310111021
51340422104400
6110451141025
713456122065
oct3155642511
91101744078
10431441225
112015a01a6
121005a4775
136b4cc587
144142aaa5
1527d24685
hex19b74549

431441225 has 12 divisors (see below), whose sum is σ = 539203584. Its totient is φ = 342432720.

The previous prime is 431441203. The next prime is 431441251. The reversal of 431441225 is 522144134.

It is not a de Polignac number, because 431441225 - 26 = 431441161 is a prime.

It is a super-2 number, since 2×4314412252 = 372283061259001250, 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 = 431441194 and 431441203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64769 + ... + 71118.

It is an arithmetic number, because the mean of its divisors is an integer number (44933632).

Almost surely, 2431441225 is an apocalyptic number.

It is an amenable number.

431441225 is a deficient number, since it is larger than the sum of its proper divisors (107762359).

431441225 is a wasteful number, since it uses less digits than its factorization.

431441225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136024 (or 136019 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 431441225 is about 20771.1633039654. The cubic root of 431441225 is about 755.6265576497.

Adding to 431441225 its reverse (522144134), we get a palindrome (953585359).

The spelling of 431441225 in words is "four hundred thirty-one million, four hundred forty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 127 635 3175 135887 679435 3397175 17257649 86288245 431441225