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12953144 = 231978219
BaseRepresentation
bin110001011010…
…011000111000
3220101002101002
4301122120320
511304000034
61141344132
7215046161
oct61323070
926332332
1012953144
117347986
124408048
1328b6aa9
141a12768
15120ce7e
hexc5a638

12953144 has 16 divisors (see below), whose sum is σ = 24413400. Its totient is φ = 6442912.

The previous prime is 12953137. The next prime is 12953159. The reversal of 12953144 is 44135921.

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 3 ways as a sum of consecutive naturals, for example, 2534 + ... + 5685.

Almost surely, 212953144 is an apocalyptic number.

It is an amenable number.

12953144 is a deficient number, since it is larger than the sum of its proper divisors (11460256).

12953144 is a wasteful number, since it uses less digits than its factorization.

12953144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422 (or 8418 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 12953144 is about 3599.0476518101. The cubic root of 12953144 is about 234.8506308978.

The spelling of 12953144 in words is "twelve million, nine hundred fifty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 197 394 788 1576 8219 16438 32876 65752 1619143 3238286 6476572 12953144