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1431125 = 531072
BaseRepresentation
bin101011101011001010101
32200201010122
411131121111
5331244000
650401325
715110243
oct5353125
92621118
101431125
11898253
12590245
133b1527
14293793
151d4085
hex15d655

1431125 has 12 divisors (see below), whose sum is σ = 1802892. Its totient is φ = 1134200.

The previous prime is 1431119. The next prime is 1431127. The reversal of 1431125 is 5211341.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 45796 + 1385329 = 214^2 + 1177^2 .

It is not a de Polignac number, because 1431125 - 214 = 1414741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13322 + ... + 13428.

It is an arithmetic number, because the mean of its divisors is an integer number (150241).

21431125 is an apocalyptic number.

It is an amenable number.

1431125 is a deficient number, since it is larger than the sum of its proper divisors (371767).

1431125 is an frugal number, since it uses more digits than its factorization.

1431125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 112 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 1431125 is about 1196.2963679624. The cubic root of 1431125 is about 112.6918537031.

Adding to 1431125 its reverse (5211341), we get a palindrome (6642466).

The spelling of 1431125 in words is "one million, four hundred thirty-one thousand, one hundred twenty-five".

Divisors: 1 5 25 107 125 535 2675 11449 13375 57245 286225 1431125