Base | Representation |
---|---|
bin | 1100010010011100011010 |
3 | 20001122202110 |
4 | 30102130122 |
5 | 1311040044 |
6 | 153013150 |
7 | 36244320 |
oct | 14223432 |
9 | 6048673 |
10 | 3221274 |
11 | 1900211 |
12 | 10b41b6 |
13 | 88a2a4 |
14 | 5dbd10 |
15 | 4396b9 |
hex | 31271a |
3221274 has 16 divisors (see below), whose sum is σ = 7363008. Its totient is φ = 920352.
The previous prime is 3221269. The next prime is 3221297. The reversal of 3221274 is 4721223.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a self number, because there is not a number n which added to its sum of digits gives 3221274.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38307 + ... + 38390.
It is an arithmetic number, because the mean of its divisors is an integer number (460188).
Almost surely, 23221274 is an apocalyptic number.
3221274 is an abundant number, since it is smaller than the sum of its proper divisors (4141734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3221274 is a wasteful number, since it uses less digits than its factorization.
3221274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76709.
The product of its digits is 672, while the sum is 21.
The square root of 3221274 is about 1794.7907956082. The cubic root of 3221274 is about 147.6870976310.
Adding to 3221274 its reverse (4721223), we get a palindrome (7942497).
It can be divided in two parts, 322 and 1274, that added together give a triangular number (1596 = T56).
The spelling of 3221274 in words is "three million, two hundred twenty-one thousand, two hundred seventy-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •