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429925 = 5229593
BaseRepresentation
bin1101000111101100101
3210211202011
41220331211
5102224200
613114221
73440266
oct1507545
9724664
10429925
11274011
12188971
131208c2
14b296d
15875ba
hex68f65

429925 has 12 divisors (see below), whose sum is σ = 552420. Its totient is φ = 331520.

The previous prime is 429917. The next prime is 429929. The reversal of 429925 is 529924.

It can be written as a sum of positive squares in 6 ways, for example, as 2209 + 427716 = 47^2 + 654^2 .

It is not a de Polignac number, because 429925 - 23 = 429917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 429 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (46035).

2429925 is an apocalyptic number.

It is an amenable number.

429925 is a deficient number, since it is larger than the sum of its proper divisors (122495).

429925 is a wasteful number, since it uses less digits than its factorization.

429925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 627 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 429925 is about 655.6866629725. The cubic root of 429925 is about 75.4740346073.

Subtracting 429925 from its reverse (529924), we obtain a palindrome (99999).

It can be divided in two parts, 4 and 29925, that added together give a square (29929 = 1732).

The spelling of 429925 in words is "four hundred twenty-nine thousand, nine hundred twenty-five".

Divisors: 1 5 25 29 145 593 725 2965 14825 17197 85985 429925