Search a number
-
+
4744489 = 73103631
BaseRepresentation
bin10010000110010100101001
322221001012211
4102012110221
52203310424
6245405121
755220221
oct22062451
98831184
104744489
112750672
1217097a1
13ca16b9
148b7081
1563ab94
hex486529

4744489 has 8 divisors (see below), whose sum is σ = 4863872. Its totient is φ = 4626720.

The previous prime is 4744469. The next prime is 4744511. The reversal of 4744489 is 9844474.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4744489 is a prime.

It is a super-2 number, since 2×47444892 = 45020351742242, which contains 22 as substring.

It is a Duffinian number.

4744489 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4744409) 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, 7204 + ... + 7834.

It is an arithmetic number, because the mean of its divisors is an integer number (607984).

Almost surely, 24744489 is an apocalyptic number.

It is an amenable number.

4744489 is a deficient number, since it is larger than the sum of its proper divisors (119383).

4744489 is a wasteful number, since it uses less digits than its factorization.

4744489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its digits is 129024, while the sum is 40.

The square root of 4744489 is about 2178.1847947316. The cubic root of 4744489 is about 168.0337351944.

The spelling of 4744489 in words is "four million, seven hundred forty-four thousand, four hundred eighty-nine".

Divisors: 1 73 103 631 7519 46063 64993 4744489