Search a number
-
+
2144255403 = 33314334987
BaseRepresentation
bin111111111001110…
…1011110110101011
312112102210110102210
41333303223312223
513342412133103
6552434500203
7104064604323
oct17763536653
95472713383
102144255403
11a00415904
124ba134663
132823145a4
14164aca283
15c83a9e03
hex7fcebdab

2144255403 has 16 divisors (see below), whose sum is σ = 2874843776. Its totient is φ = 1421608320.

The previous prime is 2144255401. The next prime is 2144255419. The reversal of 2144255403 is 3045524412.

It is not a de Polignac number, because 2144255403 - 21 = 2144255401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144255401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427476 + ... + 432462.

It is an arithmetic number, because the mean of its divisors is an integer number (179677736).

Almost surely, 22144255403 is an apocalyptic number.

2144255403 is a deficient number, since it is larger than the sum of its proper divisors (730588373).

2144255403 is a wasteful number, since it uses less digits than its factorization.

2144255403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5754.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2144255403 is about 46306.1054613752. The cubic root of 2144255403 is about 1289.5123455729.

Adding to 2144255403 its reverse (3045524412), we get a palindrome (5189779815).

The spelling of 2144255403 in words is "two billion, one hundred forty-four million, two hundred fifty-five thousand, four hundred three".

Divisors: 1 3 331 433 993 1299 4987 14961 143323 429969 1650697 2159371 4952091 6478113 714751801 2144255403