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4345625 = 5417409
BaseRepresentation
bin10000100100111100011001
322011210002002
4100210330121
52103030000
6233050345
751636314
oct20447431
98153062
104345625
1124a8a29
1215569b5
13b91c9b
1481197b
155ac8d5
hex424f19

4345625 has 20 divisors (see below), whose sum is σ = 5763780. Its totient is φ = 3264000.

The previous prime is 4345609. The next prime is 4345633. The reversal of 4345625 is 5265434.

It can be written as a sum of positive squares in 10 ways, for example, as 1708249 + 2637376 = 1307^2 + 1624^2 .

It is not a de Polignac number, because 4345625 - 24 = 4345609 is a prime.

It is a d-powerful number, because it can be written as 47 + 36 + 411 + 5 + 6 + 217 + 55 .

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 19 ways as a sum of consecutive naturals, for example, 10421 + ... + 10829.

It is an arithmetic number, because the mean of its divisors is an integer number (288189).

Almost surely, 24345625 is an apocalyptic number.

It is an amenable number.

4345625 is a deficient number, since it is larger than the sum of its proper divisors (1418155).

4345625 is an equidigital number, since it uses as much as digits as its factorization.

4345625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 431 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 4345625 is about 2084.6162716433. The cubic root of 4345625 is about 163.1864452931.

The spelling of 4345625 in words is "four million, three hundred forty-five thousand, six hundred twenty-five".

Divisors: 1 5 17 25 85 125 409 425 625 2045 2125 6953 10225 10625 34765 51125 173825 255625 869125 4345625