Search a number
-
+
4385309713 = 15727931909
BaseRepresentation
bin1000001010110001…
…01000010000010001
3102022121201211000021
410011120220100101
532440114402323
62003052223441
7213446342341
oct40530502021
912277654007
104385309713
111950436104
12a2476ab81
1354b6bb625
142d85b2d21
151a9ed605d
hex105628411

4385309713 has 4 divisors (see below), whose sum is σ = 4413241780. Its totient is φ = 4357377648.

The previous prime is 4385309699. The next prime is 4385309777. The reversal of 4385309713 is 3179035834.

It is a happy number.

4385309713 is digitally balanced in base 3, 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 can be written as a sum of positive squares in 2 ways, for example, as 696326544 + 3688983169 = 26388^2 + 60737^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4385309713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4385309713.

It is not an unprimeable number, because it can be changed into a prime (4385309213) 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, 13965798 + ... + 13966111.

It is an arithmetic number, because the mean of its divisors is an integer number (1103310445).

Almost surely, 24385309713 is an apocalyptic number.

It is an amenable number.

4385309713 is a deficient number, since it is larger than the sum of its proper divisors (27932067).

4385309713 is a wasteful number, since it uses less digits than its factorization.

4385309713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27932066.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 4385309713 is about 66221.6710224078. The cubic root of 4385309713 is about 1636.8168617386.

The spelling of 4385309713 in words is "four billion, three hundred eighty-five million, three hundred nine thousand, seven hundred thirteen".

Divisors: 1 157 27931909 4385309713