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47153 = 61773
BaseRepresentation
bin1011100000110001
32101200102
423200301
53002103
61002145
7254321
oct134061
971612
1047153
1132477
1223355
1318602
1413281
15de88
hexb831

47153 has 4 divisors (see below), whose sum is σ = 47988. Its totient is φ = 46320.

The previous prime is 47149. The next prime is 47161. The reversal of 47153 is 35174.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2209 + 44944 = 47^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 47153 - 22 = 47149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326 + ... + 447.

It is an arithmetic number, because the mean of its divisors is an integer number (11997).

247153 is an apocalyptic number.

It is an amenable number.

47153 is a deficient number, since it is larger than the sum of its proper divisors (835).

47153 is an equidigital number, since it uses as much as digits as its factorization.

47153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834.

The product of its digits is 420, while the sum is 20.

The square root of 47153 is about 217.1474153657. The cubic root of 47153 is about 36.1273779879.

The spelling of 47153 in words is "forty-seven thousand, one hundred fifty-three".

Divisors: 1 61 773 47153