Search a number
-
+
12120246 = 233224449
BaseRepresentation
bin101110001111…
…000010110110
3211210202212000
4232033002312
511100321441
61111440130
7205006665
oct56170266
924722760
1012120246
116929136
124086046
132684958
141876ddc
1510e62b6
hexb8f0b6

12120246 has 16 divisors (see below), whose sum is σ = 26934000. Its totient is φ = 4040064.

The previous prime is 12120239. The next prime is 12120257. The reversal of 12120246 is 64202121.

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

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 112171 + ... + 112278.

It is an arithmetic number, because the mean of its divisors is an integer number (1683375).

Almost surely, 212120246 is an apocalyptic number.

12120246 is an abundant number, since it is smaller than the sum of its proper divisors (14813754).

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

12120246 is a wasteful number, since it uses less digits than its factorization.

12120246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224460 (or 224454 counting only the distinct ones).

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

The square root of 12120246 is about 3481.4143677534. The cubic root of 12120246 is about 229.7050156572.

Adding to 12120246 its reverse (64202121), we get a palindrome (76322367).

The spelling of 12120246 in words is "twelve million, one hundred twenty thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 18 27 54 224449 448898 673347 1346694 2020041 4040082 6060123 12120246