Search a number
-
+
4292139 = 31430713
BaseRepresentation
bin10000010111111000101011
322002001201010
4100113320223
52044322024
6231555003
751324345
oct20277053
98061633
104292139
112471825
12152ba63
13b73837
147da295
1559bb29
hex417e2b

4292139 has 4 divisors (see below), whose sum is σ = 5722856. Its totient is φ = 2861424.

The previous prime is 4292137. The next prime is 4292159. The reversal of 4292139 is 9312924.

4292139 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4292139 - 21 = 4292137 is a prime.

It is a D-number.

It is a Duffinian number.

4292139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4292137) 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, 715354 + ... + 715359.

It is an arithmetic number, because the mean of its divisors is an integer number (1430714).

Almost surely, 24292139 is an apocalyptic number.

4292139 is a deficient number, since it is larger than the sum of its proper divisors (1430717).

4292139 is a wasteful number, since it uses less digits than its factorization.

4292139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430716.

The product of its digits is 3888, while the sum is 30.

The square root of 4292139 is about 2071.7478128382. The cubic root of 4292139 is about 162.5141794333.

The spelling of 4292139 in words is "four million, two hundred ninety-two thousand, one hundred thirty-nine".

Divisors: 1 3 1430713 4292139