Search a number
-
+
4342493139 = 31447497713
BaseRepresentation
bin1000000101101010…
…10010111111010011
3102012122011111201020
410002311102333103
532343134240024
61554522410523
7212416403565
oct40265227723
912178144636
104342493139
111929251406
12a12360a43
13542879a8a
142d2a29335
151a6379979
hex102d52fd3

4342493139 has 4 divisors (see below), whose sum is σ = 5789990856. Its totient is φ = 2894995424.

The previous prime is 4342493131. The next prime is 4342493153. The reversal of 4342493139 is 9313942434.

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

It is a cyclic number.

It is not a de Polignac number, because 4342493139 - 23 = 4342493131 is a prime.

It is a super-3 number, since 3×43424931393 (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4342493139.

It is not an unprimeable number, because it can be changed into a prime (4342493131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 723748854 + ... + 723748859.

It is an arithmetic number, because the mean of its divisors is an integer number (1447497714).

Almost surely, 24342493139 is an apocalyptic number.

4342493139 is a deficient number, since it is larger than the sum of its proper divisors (1447497717).

4342493139 is a wasteful number, since it uses less digits than its factorization.

4342493139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447497716.

The product of its digits is 279936, while the sum is 42.

The square root of 4342493139 is about 65897.5958514421. The cubic root of 4342493139 is about 1631.4723343521.

The spelling of 4342493139 in words is "four billion, three hundred forty-two million, four hundred ninety-three thousand, one hundred thirty-nine".

Divisors: 1 3 1447497713 4342493139