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12824144 = 2441113173
BaseRepresentation
bin110000111010…
…111001010000
3220010112102022
4300322321100
511240333034
61134511012
7214001114
oct60727120
926115368
1012824144
117269a73
124365468
132870168
1419bb744
1511d4b2e
hexc3ae50

12824144 has 40 divisors (see below), whose sum is σ = 25826472. Its totient is φ = 6164480.

The previous prime is 12824131. The next prime is 12824153. The reversal of 12824144 is 44142821.

It can be written as a sum of positive squares in 4 ways, for example, as 7744 + 12816400 = 88^2 + 3580^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74042 + ... + 74214.

Almost surely, 212824144 is an apocalyptic number.

It is an amenable number.

12824144 is an abundant number, since it is smaller than the sum of its proper divisors (13002328).

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

12824144 is a wasteful number, since it uses less digits than its factorization.

12824144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335 (or 329 counting only the distinct ones).

The product of its digits is 2048, while the sum is 26.

The square root of 12824144 is about 3581.0814009179. The cubic root of 12824144 is about 234.0684047707.

Adding to 12824144 its reverse (44142821), we get a palindrome (56966965).

The spelling of 12824144 in words is "twelve million, eight hundred twenty-four thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 41 82 113 164 173 226 328 346 452 656 692 904 1384 1808 2768 4633 7093 9266 14186 18532 19549 28372 37064 39098 56744 74128 78196 113488 156392 312784 801509 1603018 3206036 6412072 12824144