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2544288020 = 225127214401
BaseRepresentation
bin1001011110100110…
…1100000100010100
320120022112020000122
42113221230010110
520202314204040
61100244531112
7120023043221
oct22751540424
96508466018
102544288020
11109620327a
125b00b0a98
13317167991
141a1c9c948
15ed5781b5
hex97a6c114

2544288020 has 12 divisors (see below), whose sum is σ = 5343004884. Its totient is φ = 1017715200.

The previous prime is 2544288013. The next prime is 2544288029. The reversal of 2544288020 is 208824452.

It can be written as a sum of positive squares in 2 ways, for example, as 1474867216 + 1069420804 = 38404^2 + 32702^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2544288029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63607181 + ... + 63607220.

It is an arithmetic number, because the mean of its divisors is an integer number (445250407).

Almost surely, 22544288020 is an apocalyptic number.

2544288020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2544288020 is an abundant number, since it is smaller than the sum of its proper divisors (2798716864).

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

2544288020 is a wasteful number, since it uses less digits than its factorization.

2544288020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127214410 (or 127214408 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 2544288020 is about 50440.9359548373. The cubic root of 2544288020 is about 1365.1763550896.

The spelling of 2544288020 in words is "two billion, five hundred forty-four million, two hundred eighty-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 127214401 254428802 508857604 636072005 1272144010 2544288020