Search a number
-
+
2144683550 = 252193222247
BaseRepresentation
bin111111111010101…
…0100011000011110
312112110121012202002
41333311110120132
513343014333200
6552452002302
7104101336502
oct17765243036
95473535662
102144683550
11a00688549
124ba300392
13282434429
14164b9c302
15c8441bd5
hex7fd5461e

2144683550 has 24 divisors (see below), whose sum is σ = 4009798416. Its totient is φ = 853424640.

The previous prime is 2144683549. The next prime is 2144683559. The reversal of 2144683550 is 553864412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144683559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101474 + ... + 120773.

It is an arithmetic number, because the mean of its divisors is an integer number (167074934).

Almost surely, 22144683550 is an apocalyptic number.

2144683550 is a deficient number, since it is larger than the sum of its proper divisors (1865114866).

2144683550 is a wasteful number, since it uses less digits than its factorization.

2144683550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222452 (or 222447 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 2144683550 is about 46310.7282387138. The cubic root of 2144683550 is about 1289.5981662109.

The spelling of 2144683550 in words is "two billion, one hundred forty-four million, six hundred eighty-three thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 193 386 965 1930 4825 9650 222247 444494 1111235 2222470 5556175 11112350 42893671 85787342 214468355 428936710 1072341775 2144683550