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12242170 = 251224217
BaseRepresentation
bin101110101100…
…110011111010
3212000222002201
4232230303322
511113222140
61114220414
7206025313
oct56546372
925028081
1012242170
116a017a6
12412470a
1326c82b5
1418a960a
15111c49a
hexbaccfa

12242170 has 8 divisors (see below), whose sum is σ = 22035924. Its totient is φ = 4896864.

The previous prime is 12242161. The next prime is 12242177. The reversal of 12242170 is 7124221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11082241 + 1159929 = 3329^2 + 1077^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12242177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612099 + ... + 612118.

Almost surely, 212242170 is an apocalyptic number.

12242170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12242170 is a deficient number, since it is larger than the sum of its proper divisors (9793754).

12242170 is a wasteful number, since it uses less digits than its factorization.

12242170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224224.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 12242170 is about 3498.8812497711. The cubic root of 12242170 is about 230.4726888746.

Adding to 12242170 its reverse (7124221), we get a palindrome (19366391).

The spelling of 12242170 in words is "twelve million, two hundred forty-two thousand, one hundred seventy".

Divisors: 1 2 5 10 1224217 2448434 6121085 12242170