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2025440 = 25512659
BaseRepresentation
bin111101110011111100000
310210220101022
413232133200
51004303230
6111225012
723134034
oct7563740
93726338
102025440
11116381a
12818168
1355bbb1
143aa1c4
152a01e5
hex1ee7e0

2025440 has 24 divisors (see below), whose sum is σ = 4785480. Its totient is φ = 810112.

The previous prime is 2025437. The next prime is 2025467. The reversal of 2025440 is 445202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6170 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (199395).

22025440 is an apocalyptic number.

2025440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025440 is an abundant number, since it is smaller than the sum of its proper divisors (2760040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2025440 is a wasteful number, since it uses less digits than its factorization.

2025440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12674 (or 12666 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2025440 is about 1423.1795389198. The cubic root of 2025440 is about 126.5240623507.

The spelling of 2025440 in words is "two million, twenty-five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 12659 25318 50636 63295 101272 126590 202544 253180 405088 506360 1012720 2025440