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826425 = 32523673
BaseRepresentation
bin11001001110000111001
31112222122100
43021300321
5202421200
625414013
710011255
oct3116071
91488570
10826425
115149a6
1233a309
1322c212
14177265
15114d00
hexc9c39

826425 has 18 divisors (see below), whose sum is σ = 1480622. Its totient is φ = 440640.

The previous prime is 826411. The next prime is 826453. The reversal of 826425 is 524628.

826425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 144 + 826281 = 12^2 + 909^2 .

It is not a de Polignac number, because 826425 - 25 = 826393 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1612 + ... + 2061.

2826425 is an apocalyptic number.

It is an amenable number.

826425 is a deficient number, since it is larger than the sum of its proper divisors (654197).

826425 is a wasteful number, since it uses less digits than its factorization.

826425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689 (or 3681 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 826425 is about 909.0792044701. The cubic root of 826425 is about 93.8428413615.

The spelling of 826425 in words is "eight hundred twenty-six thousand, four hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 3673 11019 18365 33057 55095 91825 165285 275475 826425