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47828 = 22111087
BaseRepresentation
bin1011101011010100
32102121102
423223110
53012303
61005232
7256304
oct135324
972542
1047828
1132a30
1223818
1318a01
1413604
15e288
hexbad4

47828 has 12 divisors (see below), whose sum is σ = 91392. Its totient is φ = 21720.

The previous prime is 47819. The next prime is 47837. The reversal of 47828 is 82874.

It is an interprime number because it is at equal distance from previous prime (47819) and next prime (47837).

It is a self number, because there is not a number n which added to its sum of digits gives 47828.

It is a congruent number.

It is an unprimeable number.

47828 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500 + ... + 587.

It is an arithmetic number, because the mean of its divisors is an integer number (7616).

247828 is an apocalyptic number.

It is an amenable number.

47828 is a deficient number, since it is larger than the sum of its proper divisors (43564).

47828 is a wasteful number, since it uses less digits than its factorization.

47828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1100 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 47828 is about 218.6961362256. The cubic root of 47828 is about 36.2989509116.

Subtracting from 47828 its product of digits (3584), we obtain a palindrome (44244).

The spelling of 47828 in words is "forty-seven thousand, eight hundred twenty-eight".

Divisors: 1 2 4 11 22 44 1087 2174 4348 11957 23914 47828