Search a number
-
+
2144767028 = 22787681311
BaseRepresentation
bin111111111010110…
…1000110000110100
312112110202110020212
41333311220300310
513343030021103
6552453444552
7104102135045
oct17765506064
95473673225
102144767028
11a00735238
124ba340758
13282463421
14164bc08cc
15c845b7d8
hex7fd68c34

2144767028 has 12 divisors (see below), whose sum is σ = 3758116992. Its totient is φ = 1071019320.

The previous prime is 2144767021. The next prime is 2144767033. The reversal of 2144767028 is 8207674412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144767021) 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, 337508 + ... + 343803.

It is an arithmetic number, because the mean of its divisors is an integer number (313176416).

Almost surely, 22144767028 is an apocalyptic number.

It is an amenable number.

2144767028 is a deficient number, since it is larger than the sum of its proper divisors (1613349964).

2144767028 is a wasteful number, since it uses less digits than its factorization.

2144767028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682102 (or 682100 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 2144767028 is about 46311.6295113873. The cubic root of 2144767028 is about 1289.6148977669.

The spelling of 2144767028 in words is "two billion, one hundred forty-four million, seven hundred sixty-seven thousand, twenty-eight".

Divisors: 1 2 4 787 1574 3148 681311 1362622 2725244 536191757 1072383514 2144767028