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333228 = 22373967
BaseRepresentation
bin1010001010110101100
3121221002210
41101112230
541130403
611050420
72555340
oct1212654
9557083
10333228
112083a5
12140a10
13b889c
1489620
1568b03
hex515ac

333228 has 24 divisors (see below), whose sum is σ = 888832. Its totient is φ = 95184.

The previous prime is 333227. The next prime is 333233. The reversal of 333228 is 822333.

It is a super-2 number, since 2×3332282 = 222081799968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (333227) 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, 1900 + ... + 2067.

2333228 is an apocalyptic number.

It is an amenable number.

333228 is an abundant number, since it is smaller than the sum of its proper divisors (555604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

333228 is a wasteful number, since it uses less digits than its factorization.

333228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981 (or 3979 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 333228 is about 577.2590406395. The cubic root of 333228 is about 69.3288232602.

It can be divided in two parts, 333 and 228, that added together give a triangular number (561 = T33).

The spelling of 333228 in words is "three hundred thirty-three thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3967 7934 11901 15868 23802 27769 47604 55538 83307 111076 166614 333228