Search a number
-
+
3043689 = 31192233
BaseRepresentation
bin1011100111000101101001
312201122011020
423213011221
51234344224
6145123053
734604505
oct13470551
95648136
103043689
111799850
121029489
138274cc
14593305
15401c79
hex2e7169

3043689 has 8 divisors (see below), whose sum is σ = 4427232. Its totient is φ = 1844640.

The previous prime is 3043687. The next prime is 3043721. The reversal of 3043689 is 9863403.

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

It is not a de Polignac number, because 3043689 - 21 = 3043687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 92233 = 3043689 / (3 + 0 + 4 + 3 + 6 + 8 + 9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3043681) 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, 46084 + ... + 46149.

It is an arithmetic number, because the mean of its divisors is an integer number (553404).

Almost surely, 23043689 is an apocalyptic number.

It is an amenable number.

3043689 is a deficient number, since it is larger than the sum of its proper divisors (1383543).

3043689 is a wasteful number, since it uses less digits than its factorization.

3043689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92247.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3043689 is about 1744.6171499788. The cubic root of 3043689 is about 144.9217016830.

It can be divided in two parts, 304 and 3689, that added together give a palindrome (3993).

The spelling of 3043689 in words is "three million, forty-three thousand, six hundred eighty-nine".

Divisors: 1 3 11 33 92233 276699 1014563 3043689