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4245725 = 521115439
BaseRepresentation
bin10000001100100011011101
321222201001002
4100030203131
52041330400
6231000045
751042131
oct20144335
97881032
104245725
11243a970
121509025
13b58683
147c73c1
1558ced5
hex40c8dd

4245725 has 12 divisors (see below), whose sum is σ = 5743680. Its totient is φ = 3087600.

The previous prime is 4245679. The next prime is 4245743. The reversal of 4245725 is 5275424.

It is a happy number.

It is not a de Polignac number, because 4245725 - 28 = 4245469 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 47 + 2 + 47 + 54 + 74 + 222 + 56 .

It is a Curzon number.

It is a congruent number.

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, 7445 + ... + 7994.

It is an arithmetic number, because the mean of its divisors is an integer number (478640).

Almost surely, 24245725 is an apocalyptic number.

It is an amenable number.

4245725 is a deficient number, since it is larger than the sum of its proper divisors (1497955).

4245725 is a wasteful number, since it uses less digits than its factorization.

4245725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15460 (or 15455 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 4245725 is about 2060.5157121459. The cubic root of 4245725 is about 161.9262607045.

The spelling of 4245725 in words is "four million, two hundred forty-five thousand, seven hundred twenty-five".

Divisors: 1 5 11 25 55 275 15439 77195 169829 385975 849145 4245725