Search a number
-
+
4002743124 = 2232111187309
BaseRepresentation
bin1110111010010101…
…0000001101010100
3101022221212102022100
43232211100031110
531144200234444
61501104402100
7201122520012
oct35645201524
911287772270
104002743124
111774498176
12938616330
134ba372173
1429d8698b2
15186617e69
hexee950354

4002743124 has 18 divisors (see below), whose sum is σ = 10118045210. Its totient is φ = 1334247696.

The previous prime is 4002743123. The next prime is 4002743137. The reversal of 4002743124 is 4213472004.

It can be written as a sum of positive squares in only one way, i.e., 2541974724 + 1460768400 = 50418^2 + 38220^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002743123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55593619 + ... + 55593690.

Almost surely, 24002743124 is an apocalyptic number.

It is an amenable number.

4002743124 is an abundant number, since it is smaller than the sum of its proper divisors (6115302086).

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

4002743124 is a wasteful number, since it uses less digits than its factorization.

4002743124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111187319 (or 111187314 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 4002743124 is about 63267.2357859896. The cubic root of 4002743124 is about 1587.7638388770.

The spelling of 4002743124 in words is "four billion, two million, seven hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 111187309 222374618 333561927 444749236 667123854 1000685781 1334247708 2001371562 4002743124