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6425289 = 321354917
BaseRepresentation
bin11000100000101011001001
3110002102211200
4120200223021
53121102124
6345414413
7105420423
oct30405311
913072750
106425289
113699462
12219a409
13143c760
14bd3813
1586dbc9
hex620ac9

6425289 has 12 divisors (see below), whose sum is σ = 9995076. Its totient is φ = 3953952.

The previous prime is 6425267. The next prime is 6425329. The reversal of 6425289 is 9825246.

It is a happy number.

6425289 is a `hidden beast` number, since 642 + 5 + 2 + 8 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1550025 + 4875264 = 1245^2 + 2208^2 .

It is not a de Polignac number, because 6425289 - 28 = 6425033 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (6425219) 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, 27342 + ... + 27575.

It is an arithmetic number, because the mean of its divisors is an integer number (832923).

Almost surely, 26425289 is an apocalyptic number.

It is an amenable number.

6425289 is a deficient number, since it is larger than the sum of its proper divisors (3569787).

6425289 is a wasteful number, since it uses less digits than its factorization.

6425289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54936 (or 54933 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6425289 is about 2534.8153778924. The cubic root of 6425289 is about 185.9077759938.

The spelling of 6425289 in words is "six million, four hundred twenty-five thousand, two hundred eighty-nine".

Divisors: 1 3 9 13 39 117 54917 164751 494253 713921 2141763 6425289