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3221274 = 23776697
BaseRepresentation
bin1100010010011100011010
320001122202110
430102130122
51311040044
6153013150
736244320
oct14223432
96048673
103221274
111900211
1210b41b6
1388a2a4
145dbd10
154396b9
hex31271a

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".

Divisors: 1 2 3 6 7 14 21 42 76697 153394 230091 460182 536879 1073758 1610637 3221274