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51184 = 247457
BaseRepresentation
bin1100011111110000
32121012201
430133300
53114214
61032544
7302140
oct143760
977181
1051184
1135501
1225754
131a3b3
1414920
1510274
hexc7f0

51184 has 20 divisors (see below), whose sum is σ = 113584. Its totient is φ = 21888.

The previous prime is 51169. The next prime is 51193. The reversal of 51184 is 48115.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117 + ... + 340.

251184 is an apocalyptic number.

It is an amenable number.

51184 is an abundant number, since it is smaller than the sum of its proper divisors (62400).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56792).

51184 is a wasteful number, since it uses less digits than its factorization.

51184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 466 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 51184 is about 226.2388118781. The cubic root of 51184 is about 37.1288422752.

Adding to 51184 its reverse (48115), we get a palindrome (99299).

It can be divided in two parts, 511 and 84, that multiplied together give a palindrome (42924).

The spelling of 51184 in words is "fifty-one thousand, one hundred eighty-four".

Divisors: 1 2 4 7 8 14 16 28 56 112 457 914 1828 3199 3656 6398 7312 12796 25592 51184