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12242054 = 211250587
BaseRepresentation
bin101110101100…
…110010000110
3212000221221102
4232230302012
511113221204
61114220102
7206025056
oct56546206
925027842
1012242054
116a01700
124124632
1326c8226
1418a9566
15111c41e
hexbacc86

12242054 has 12 divisors (see below), whose sum is σ = 20184612. Its totient is φ = 5564460.

The previous prime is 12242047. The next prime is 12242059. The reversal of 12242054 is 45024221.

It is a happy number.

12242054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122420542 = 299735772277832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25052 + ... + 25535.

It is an arithmetic number, because the mean of its divisors is an integer number (1682051).

Almost surely, 212242054 is an apocalyptic number.

12242054 is a deficient number, since it is larger than the sum of its proper divisors (7942558).

12242054 is a wasteful number, since it uses less digits than its factorization.

12242054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50611 (or 50600 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12242054 is about 3498.8646730047. The cubic root of 12242054 is about 230.4719609285.

Adding to 12242054 its reverse (45024221), we get a palindrome (57266275).

The spelling of 12242054 in words is "twelve million, two hundred forty-two thousand, fifty-four".

Divisors: 1 2 11 22 121 242 50587 101174 556457 1112914 6121027 12242054