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2389925 = 5295597
BaseRepresentation
bin1001000111011110100101
311111102100202
421013132211
51102434200
6123120245
726212466
oct11073645
94442322
102389925
11139264a
12973085
13658a75
14462d6d
153231d5
hex2477a5

2389925 has 6 divisors (see below), whose sum is σ = 2963538. Its totient is φ = 1911920.

The previous prime is 2389921. The next prime is 2389939. The reversal of 2389925 is 5299832.

It can be written as a sum of positive squares in 3 ways, for example, as 27556 + 2362369 = 166^2 + 1537^2 .

It is not a de Polignac number, because 2389925 - 22 = 2389921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2389921) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47774 + ... + 47823.

It is an arithmetic number, because the mean of its divisors is an integer number (493923).

22389925 is an apocalyptic number.

2389925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2389925 is a deficient number, since it is larger than the sum of its proper divisors (573613).

2389925 is an equidigital number, since it uses as much as digits as its factorization.

2389925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95607 (or 95602 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 2389925 is about 1545.9382264502. The cubic root of 2389925 is about 133.6989789966.

The spelling of 2389925 in words is "two million, three hundred eighty-nine thousand, nine hundred twenty-five".

Divisors: 1 5 25 95597 477985 2389925