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12544152 = 233522673
BaseRepresentation
bin101111110110…
…100010011000
3212121022100020
4233312202120
511202403102
61124510440
7211423605
oct57664230
925538306
1012544152
117098675
12424b420
1327a289a
1419476ac
15117bbbc
hexbf6898

12544152 has 16 divisors (see below), whose sum is σ = 31360440. Its totient is φ = 4181376.

The previous prime is 12544139. The next prime is 12544157. The reversal of 12544152 is 25144521.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 522673 = 12544152 / (1 + 2 + 5 + 4 + 4 + 1 + 5 + 2).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12544157) 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, 261313 + ... + 261360.

Almost surely, 212544152 is an apocalyptic number.

12544152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12544152 is an abundant number, since it is smaller than the sum of its proper divisors (18816288).

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

12544152 is a wasteful number, since it uses less digits than its factorization.

12544152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522682 (or 522678 counting only the distinct ones).

The product of its digits is 1600, while the sum is 24.

The square root of 12544152 is about 3541.7724376363. The cubic root of 12544152 is about 232.3523678331.

Adding to 12544152 its reverse (25144521), we get a palindrome (37688673).

The spelling of 12544152 in words is "twelve million, five hundred forty-four thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 522673 1045346 1568019 2090692 3136038 4181384 6272076 12544152