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2025620 = 225101281
BaseRepresentation
bin111101110100010010100
310210220121222
413232202110
51004304440
6111225512
723134412
oct7564224
93726558
102025620
111163973
12818298
1355bcbc
143aa2b2
152a02b5
hex1ee894

2025620 has 12 divisors (see below), whose sum is σ = 4253844. Its totient is φ = 810240.

The previous prime is 2025593. The next prime is 2025623. The reversal of 2025620 is 265202.

It can be written as a sum of positive squares in 2 ways, for example, as 293764 + 1731856 = 542^2 + 1316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50621 + ... + 50660.

It is an arithmetic number, because the mean of its divisors is an integer number (354487).

22025620 is an apocalyptic number.

2025620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025620 is an abundant number, since it is smaller than the sum of its proper divisors (2228224).

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

2025620 is a wasteful number, since it uses less digits than its factorization.

2025620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101290 (or 101288 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2025620 is about 1423.2427761981. The cubic root of 2025620 is about 126.5278102864.

The spelling of 2025620 in words is "two million, twenty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 101281 202562 405124 506405 1012810 2025620