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12543068 = 223135767
BaseRepresentation
bin101111110110…
…010001011100
3212121020212002
4233312101130
511202334233
61124501432
7211420466
oct57662134
925536762
1012543068
11709787a
12424a878
1327a2245
141947136
15117b6e8
hexbf645c

12543068 has 6 divisors (see below), whose sum is σ = 21950376. Its totient is φ = 6271532.

The previous prime is 12543061. The next prime is 12543071. The reversal of 12543068 is 86034521.

It is a self number, because there is not a number n which added to its sum of digits gives 12543068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567880 + ... + 1567887.

It is an arithmetic number, because the mean of its divisors is an integer number (3658396).

Almost surely, 212543068 is an apocalyptic number.

It is an amenable number.

12543068 is a deficient number, since it is larger than the sum of its proper divisors (9407308).

12543068 is a wasteful number, since it uses less digits than its factorization.

12543068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135771 (or 3135769 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12543068 is about 3541.6194036062. The cubic root of 12543068 is about 232.3456747482.

Adding to 12543068 its reverse (86034521), we get a palindrome (98577589).

The spelling of 12543068 in words is "twelve million, five hundred forty-three thousand, sixty-eight".

Divisors: 1 2 4 3135767 6271534 12543068