Search a number
-
+
4030489 = 19212131
BaseRepresentation
bin1111011000000000011001
321120202210101
433120000121
52012433424
6222215401
746154461
oct17300031
97522711
104030489
112303191
121424561
13ab1708
1476cba1
15549344
hex3d8019

4030489 has 4 divisors (see below), whose sum is σ = 4242640. Its totient is φ = 3818340.

The previous prime is 4030487. The next prime is 4030511. The reversal of 4030489 is 9840304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4030489 - 21 = 4030487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4030483) 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, 106047 + ... + 106084.

It is an arithmetic number, because the mean of its divisors is an integer number (1060660).

Almost surely, 24030489 is an apocalyptic number.

It is an amenable number.

4030489 is a deficient number, since it is larger than the sum of its proper divisors (212151).

4030489 is a wasteful number, since it uses less digits than its factorization.

4030489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212150.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 4030489 is about 2007.6077804193. The cubic root of 4030489 is about 159.1424037039.

The spelling of 4030489 in words is "four million, thirty thousand, four hundred eighty-nine".

Divisors: 1 19 212131 4030489