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2144054260 = 2251011061413
BaseRepresentation
bin111111111001011…
…1010101111110100
312112102102020112001
41333302322233310
513342334214020
6552430305044
7104063106025
oct17762725764
95472366461
102144054260
11a00298777
124ba058184
13282273b7a
14164a76c4c
15c836a50a
hex7fcbabf4

2144054260 has 24 divisors (see below), whose sum is σ = 4547097576. Its totient is φ = 849129600.

The previous prime is 2144054251. The next prime is 2144054267. The reversal of 2144054260 is 624504412.

It can be written as a sum of positive squares in 4 ways, for example, as 1292114916 + 851939344 = 35946^2 + 29188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144054267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528687 + ... + 532726.

It is an arithmetic number, because the mean of its divisors is an integer number (189462399).

Almost surely, 22144054260 is an apocalyptic number.

2144054260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144054260 is an abundant number, since it is smaller than the sum of its proper divisors (2403043316).

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

2144054260 is a wasteful number, since it uses less digits than its factorization.

2144054260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061523 (or 1061521 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2144054260 is about 46303.9335262135. The cubic root of 2144054260 is about 1289.4720231853.

Adding to 2144054260 its reverse (624504412), we get a palindrome (2768558672).

The spelling of 2144054260 in words is "two billion, one hundred forty-four million, fifty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 101 202 404 505 1010 2020 1061413 2122826 4245652 5307065 10614130 21228260 107202713 214405426 428810852 536013565 1072027130 2144054260