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12240282 = 232040047
BaseRepresentation
bin101110101100…
…010110011010
3212000212111210
4232230112122
511113142112
61114203550
7206016645
oct56542632
925025453
1012240282
116a0033a
1241235b6
1326c7492
1418a8a5c
15111bb3c
hexbac59a

12240282 has 8 divisors (see below), whose sum is σ = 24480576. Its totient is φ = 4080092.

The previous prime is 12240281. The next prime is 12240287. The reversal of 12240282 is 28204221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

12240282 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12240281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020018 + ... + 1020029.

It is an arithmetic number, because the mean of its divisors is an integer number (3060072).

Almost surely, 212240282 is an apocalyptic number.

12240282 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12240282 is a wasteful number, since it uses less digits than its factorization.

12240282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040052.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 12240282 is about 3498.6114388426. The cubic root of 12240282 is about 230.4608403540.

It can be divided in two parts, 122 and 40282, that added together give a palindrome (40404).

The spelling of 12240282 in words is "twelve million, two hundred forty thousand, two hundred eighty-two".

Divisors: 1 2 3 6 2040047 4080094 6120141 12240282