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13008222 = 233240893
BaseRepresentation
bin110001100111…
…110101011110
3220110212221000
4301213311132
511312230342
61142451130
7215365563
oct61476536
926425830
1013008222
1173852a7
124433aa6
132905b96
141a2886a
15121e44c
hexc67d5e

13008222 has 16 divisors (see below), whose sum is σ = 28907280. Its totient is φ = 4336056.

The previous prime is 13008209. The next prime is 13008223. The reversal of 13008222 is 22280031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13008195 and 13008204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13008223) 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, 120393 + ... + 120500.

It is an arithmetic number, because the mean of its divisors is an integer number (1806705).

Almost surely, 213008222 is an apocalyptic number.

13008222 is an abundant number, since it is smaller than the sum of its proper divisors (15899058).

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

13008222 is a wasteful number, since it uses less digits than its factorization.

13008222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240904 (or 240898 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13008222 is about 3606.6912814933. The cubic root of 13008222 is about 235.1830292836.

Adding to 13008222 its reverse (22280031), we get a palindrome (35288253).

The spelling of 13008222 in words is "thirteen million, eight thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 240893 481786 722679 1445358 2168037 4336074 6504111 13008222