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51838144 = 262393389
BaseRepresentation
bin1100010110111…
…1110011000000
310121112122120021
43011233303000
5101232310034
65051023224
71166421421
oct305576300
9117478507
1051838144
1127296846
121543ab14
13a97cc77
146c55648
15483e6b4
hex316fcc0

51838144 has 28 divisors (see below), whose sum is σ = 103327200. Its totient is φ = 25803008.

The previous prime is 51838123. The next prime is 51838181. The reversal of 51838144 is 44183815.

51838144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 13602 + ... + 16990.

Almost surely, 251838144 is an apocalyptic number.

It is an amenable number.

51838144 is a deficient number, since it is larger than the sum of its proper divisors (51489056).

51838144 is a wasteful number, since it uses less digits than its factorization.

51838144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640 (or 3630 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 51838144 is about 7199.8711099575. The cubic root of 51838144 is about 372.8634507975.

The spelling of 51838144 in words is "fifty-one million, eight hundred thirty-eight thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 239 478 956 1912 3389 3824 6778 7648 13556 15296 27112 54224 108448 216896 809971 1619942 3239884 6479768 12959536 25919072 51838144