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2144445704 = 23377699421
BaseRepresentation
bin111111111010001…
…1010010100001000
312112110011010110222
41333310122110020
513342434230304
6552442525212
7104066326202
oct17764322410
95473133428
102144445704
11a00535885
124ba206808
132823800ab
14164b39772
15c83e64be
hex7fd1a508

2144445704 has 32 divisors (see below), whose sum is σ = 4135315800. Its totient is φ = 1041776640.

The previous prime is 2144445689. The next prime is 2144445707. The reversal of 2144445704 is 4075444412.

It can be written as a sum of positive squares in 4 ways, for example, as 1945692100 + 198753604 = 44110^2 + 14098^2 .

It is not an unprimeable number, because it can be changed into a prime (2144445707) 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, 222914 + ... + 232334.

Almost surely, 22144445704 is an apocalyptic number.

It is an amenable number.

2144445704 is a deficient number, since it is larger than the sum of its proper divisors (1990870096).

2144445704 is a wasteful number, since it uses less digits than its factorization.

2144445704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233 (or 10229 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 35.

The square root of 2144445704 is about 46308.1602312163. The cubic root of 2144445704 is about 1289.5504921838.

The spelling of 2144445704 in words is "two billion, one hundred forty-four million, four hundred forty-five thousand, seven hundred four".

Divisors: 1 2 4 8 37 74 148 296 769 1538 3076 6152 9421 18842 28453 37684 56906 75368 113812 227624 348577 697154 1394308 2788616 7244749 14489498 28978996 57957992 268055713 536111426 1072222852 2144445704