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12442206 = 237296243
BaseRepresentation
bin101111011101…
…101001011110
3212102010111110
4233131221132
511141122311
61122402450
7210520440
oct57355136
925363443
1012442206
117029017
124200426
13276836a
14191c490
15115b8a6
hexbdda5e

12442206 has 16 divisors (see below), whose sum is σ = 28439424. Its totient is φ = 3554904.

The previous prime is 12442201. The next prime is 12442217. The reversal of 12442206 is 60224421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442201) 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, 148080 + ... + 148163.

It is an arithmetic number, because the mean of its divisors is an integer number (1777464).

Almost surely, 212442206 is an apocalyptic number.

12442206 is an abundant number, since it is smaller than the sum of its proper divisors (15997218).

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

12442206 is a wasteful number, since it uses less digits than its factorization.

12442206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296255.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 12442206 is about 3527.3511308062. The cubic root of 12442206 is about 231.7212143750.

Adding to 12442206 its reverse (60224421), we get a palindrome (72666627).

The spelling of 12442206 in words is "twelve million, four hundred forty-two thousand, two hundred six".

Divisors: 1 2 3 6 7 14 21 42 296243 592486 888729 1777458 2073701 4147402 6221103 12442206