Search a number
-
+
6289243 = 38316421
BaseRepresentation
bin10111111111011101011011
3102211112012221
4113333131123
53102223433
6342444511
7104312662
oct27773533
912745187
106289243
113606224
122133737
1313c285c
14b99dd9
1584372d
hex5ff75b

6289243 has 4 divisors (see below), whose sum is σ = 6306048. Its totient is φ = 6272440.

The previous prime is 6289237. The next prime is 6289253. The reversal of 6289243 is 3429826.

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 6289243 - 221 = 4192091 is a prime.

It is a Duffinian number.

6289243 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6289199 and 6289208.

It is not an unprimeable number, because it can be changed into a prime (6289253) 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, 7828 + ... + 8593.

It is an arithmetic number, because the mean of its divisors is an integer number (1576512).

Almost surely, 26289243 is an apocalyptic number.

6289243 is a deficient number, since it is larger than the sum of its proper divisors (16805).

6289243 is a wasteful number, since it uses less digits than its factorization.

6289243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16804.

The product of its digits is 20736, while the sum is 34.

The square root of 6289243 is about 2507.8363184227. The cubic root of 6289243 is about 184.5862973716.

The spelling of 6289243 in words is "six million, two hundred eighty-nine thousand, two hundred forty-three".

Divisors: 1 383 16421 6289243