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4290925 = 52171637
BaseRepresentation
bin10000010111100101101101
322002000001011
4100113211231
52044302200
6231545221
751320662
oct20274555
98060034
104290925
112470921
12152b211
13b73112
147d9a69
1559b5ba
hex41796d

4290925 has 6 divisors (see below), whose sum is σ = 5320778. Its totient is φ = 3432720.

The previous prime is 4290911. The next prime is 4290931. The reversal of 4290925 is 5290924.

It can be written as a sum of positive squares in 3 ways, for example, as 927369 + 3363556 = 963^2 + 1834^2 .

It is not a de Polignac number, because 4290925 - 29 = 4290413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85794 + ... + 85843.

Almost surely, 24290925 is an apocalyptic number.

It is an amenable number.

4290925 is a deficient number, since it is larger than the sum of its proper divisors (1029853).

4290925 is a wasteful number, since it uses less digits than its factorization.

4290925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171647 (or 171642 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4290925 is about 2071.4548027896. The cubic root of 4290925 is about 162.4988560077.

Subtracting 4290925 from its reverse (5290924), we obtain a palindrome (999999).

The spelling of 4290925 in words is "four million, two hundred ninety thousand, nine hundred twenty-five".

Divisors: 1 5 25 171637 858185 4290925