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429025 = 521312
BaseRepresentation
bin1101000101111100001
3210210111211
41220233201
5102212100
613110121
73434542
oct1505741
9723454
10429025
11273373
12188341
1312037c
14b24c9
15871ba
hex68be1

429025 has 9 divisors (see below), whose sum is σ = 536083. Its totient is φ = 340600.

The previous prime is 429017. The next prime is 429043. The reversal of 429025 is 520924.

It is a happy number.

The square root of 429025 is 655.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 154449 + 274576 = 393^2 + 524^2 .

It is not a de Polignac number, because 429025 - 23 = 429017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428987 and 429005.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3210 + ... + 3340.

2429025 is an apocalyptic number.

429025 is the 655-th square number.

429025 is the 328-th centered octagonal number.

It is an amenable number.

429025 is a deficient number, since it is larger than the sum of its proper divisors (107058).

429025 is an equidigital number, since it uses as much as digits as its factorization.

429025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The cubic root of 429025 is about 75.4213323257.

The spelling of 429025 in words is "four hundred twenty-nine thousand, twenty-five".

Divisors: 1 5 25 131 655 3275 17161 85805 429025