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3228789 = 31076263
BaseRepresentation
bin1100010100010001110101
320002001001210
430110101311
51311310124
6153112033
736305244
oct14242165
96061053
103228789
111905923
1210b8619
13890835
1460095b
1543ba29
hex314475

3228789 has 4 divisors (see below), whose sum is σ = 4305056. Its totient is φ = 2152524.

The previous prime is 3228781. The next prime is 3228811. The reversal of 3228789 is 9878223.

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 not a de Polignac number, because 3228789 - 23 = 3228781 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3228781) 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, 538129 + ... + 538134.

It is an arithmetic number, because the mean of its divisors is an integer number (1076264).

Almost surely, 23228789 is an apocalyptic number.

It is an amenable number.

3228789 is a deficient number, since it is larger than the sum of its proper divisors (1076267).

3228789 is a wasteful number, since it uses less digits than its factorization.

3228789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076266.

The product of its digits is 48384, while the sum is 39.

The square root of 3228789 is about 1796.8831347642. The cubic root of 3228789 is about 147.8018562198.

The spelling of 3228789 in words is "three million, two hundred twenty-eight thousand, seven hundred eighty-nine".

Divisors: 1 3 1076263 3228789