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8423425 = 52347971
BaseRepresentation
bin100000001000…
…100000000001
3120211221202201
4200020200001
54124022200
6500313201
7131412043
oct40104001
916757681
108423425
11483370a
1229a2801
13198c09a
141193a93
15b15c6a
hex808801

8423425 has 12 divisors (see below), whose sum is σ = 10485936. Its totient is φ = 6712400.

The previous prime is 8423423. The next prime is 8423447. The reversal of 8423425 is 5243248.

It is not a de Polignac number, because 8423425 - 21 = 8423423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8423393 and 8423402.

It is not an unprimeable number, because it can be changed into a prime (8423423) 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, 8190 + ... + 9160.

It is an arithmetic number, because the mean of its divisors is an integer number (873828).

Almost surely, 28423425 is an apocalyptic number.

It is an amenable number.

8423425 is a deficient number, since it is larger than the sum of its proper divisors (2062511).

8423425 is a wasteful number, since it uses less digits than its factorization.

8423425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1323 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 8423425 is about 2902.3137321799. The cubic root of 8423425 is about 203.4680569727.

The spelling of 8423425 in words is "eight million, four hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 347 971 1735 4855 8675 24275 336937 1684685 8423425