Search a number
-
+
4681439 = 72232999
BaseRepresentation
bin10001110110111011011111
322210211201122
4101312323133
52144301224
6244201155
754535340
oct21667337
98724648
104681439
112708264
1216991bb
13c7baa9
1489c0c7
1562715e
hex476edf

4681439 has 8 divisors (see below), whose sum is σ = 5376000. Its totient is φ = 3993336.

The previous prime is 4681433. The next prime is 4681459. The reversal of 4681439 is 9341864.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4681439 - 24 = 4681423 is a prime.

It is a super-2 number, since 2×46814392 = 43831742221442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4681399 and 4681408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4681433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62 + ... + 3060.

It is an arithmetic number, because the mean of its divisors is an integer number (672000).

Almost surely, 24681439 is an apocalyptic number.

4681439 is a deficient number, since it is larger than the sum of its proper divisors (694561).

4681439 is a wasteful number, since it uses less digits than its factorization.

4681439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229.

The product of its digits is 20736, while the sum is 35.

The square root of 4681439 is about 2163.6633287090. The cubic root of 4681439 is about 167.2860742647.

The spelling of 4681439 in words is "four million, six hundred eighty-one thousand, four hundred thirty-nine".

Divisors: 1 7 223 1561 2999 20993 668777 4681439