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431225 = 5247367
BaseRepresentation
bin1101001010001111001
3210220112022
41221101321
5102244400
613124225
73444134
oct1512171
9726468
10431225
11274a93
12189675
13121382
14b321b
1587b85
hex69479

431225 has 12 divisors (see below), whose sum is σ = 547584. Its totient is φ = 336720.

The previous prime is 431219. The next prime is 431237. The reversal of 431225 is 522134.

It is not a de Polignac number, because 431225 - 216 = 365689 is a prime.

It is a Duffinian number.

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, 992 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (45632).

2431225 is an apocalyptic number.

It is an amenable number.

431225 is a deficient number, since it is larger than the sum of its proper divisors (116359).

431225 is a wasteful number, since it uses less digits than its factorization.

431225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 419 counting only the distinct ones).

The product of its digits is 240, while the sum is 17.

The square root of 431225 is about 656.6772418776. The cubic root of 431225 is about 75.5500304335.

Adding to 431225 its reverse (522134), we get a palindrome (953359).

Subtracting 431225 from its reverse (522134), we obtain a palindrome (90909).

It can be divided in two parts, 431 and 225, that added together give a palindrome (656).

The spelling of 431225 in words is "four hundred thirty-one thousand, two hundred twenty-five".

Divisors: 1 5 25 47 235 367 1175 1835 9175 17249 86245 431225