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3220266 = 23776673
BaseRepresentation
bin1100010010001100101010
320001121101010
430102030222
51311022031
6153004350
736241350
oct14221452
96047333
103220266
1118aa485
1210b36b6
138899aa
145db7d0
15439246
hex31232a

3220266 has 16 divisors (see below), whose sum is σ = 7360704. Its totient is φ = 920064.

The previous prime is 3220219. The next prime is 3220267. The reversal of 3220266 is 6620223.

It is a super-2 number, since 2×32202662 = 20740226221512, which contains 22 as substring.

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

It is a plaindrome in base 13.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3220267) 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, 38295 + ... + 38378.

It is an arithmetic number, because the mean of its divisors is an integer number (460044).

Almost surely, 23220266 is an apocalyptic number.

3220266 is an abundant number, since it is smaller than the sum of its proper divisors (4140438).

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

3220266 is a wasteful number, since it uses less digits than its factorization.

3220266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76685.

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

The square root of 3220266 is about 1794.5099609643. The cubic root of 3220266 is about 147.6716912913.

Adding to 3220266 its reverse (6620223), we get a palindrome (9840489).

It can be divided in two parts, 3220 and 266, that added together give a triangular number (3486 = T83).

The spelling of 3220266 in words is "three million, two hundred twenty thousand, two hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 76673 153346 230019 460038 536711 1073422 1610133 3220266