Search a number
-
+
4244989 = 75771051
BaseRepresentation
bin10000001100010111111101
321222200000211
4100030113331
52041314424
6230552421
751040030
oct20142775
97880024
104244989
11243a361
121508711
13b58238
147c7017
1558cb94
hex40c5fd

4244989 has 8 divisors (see below), whose sum is σ = 4864448. Its totient is φ = 3628800.

The previous prime is 4244987. The next prime is 4245013. The reversal of 4244989 is 9894424.

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

It is not a de Polignac number, because 4244989 - 21 = 4244987 is a prime.

It is a super-2 number, since 2×42449892 = 36039863220242, which contains 22 as substring.

It is a Duffinian number.

4244989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4244983) 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, 3514 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (608056).

Almost surely, 24244989 is an apocalyptic number.

It is an amenable number.

4244989 is a deficient number, since it is larger than the sum of its proper divisors (619459).

4244989 is a wasteful number, since it uses less digits than its factorization.

4244989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635.

The product of its digits is 82944, while the sum is 40.

The square root of 4244989 is about 2060.3371083393. The cubic root of 4244989 is about 161.9169034793.

The spelling of 4244989 in words is "four million, two hundred forty-four thousand, nine hundred eighty-nine".

Divisors: 1 7 577 1051 4039 7357 606427 4244989