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7040425 = 52740231
BaseRepresentation
bin11010110110110110101001
3111020200122111
4122312312221
53300243200
6410522321
7113562010
oct32666651
914220574
107040425
113a79637
1224363a1
1315c6742
14d13a77
159410ba
hex6b6da9

7040425 has 12 divisors (see below), whose sum is σ = 9977536. Its totient is φ = 4827600.

The previous prime is 7040413. The next prime is 7040443. The reversal of 7040425 is 5240407.

It is not a de Polignac number, because 7040425 - 29 = 7039913 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7040396 and 7040405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19941 + ... + 20290.

Almost surely, 27040425 is an apocalyptic number.

It is an amenable number.

7040425 is a deficient number, since it is larger than the sum of its proper divisors (2937111).

7040425 is a wasteful number, since it uses less digits than its factorization.

7040425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40248 (or 40243 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 7040425 is about 2653.3799200265. The cubic root of 7040425 is about 191.6606509349.

The spelling of 7040425 in words is "seven million, forty thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 40231 201155 281617 1005775 1408085 7040425