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47156 = 2211789
BaseRepresentation
bin1011100000110100
32101200112
423200310
53002111
61002152
7254324
oct134064
971615
1047156
113247a
1223358
1318605
1413284
15de8b
hexb834

47156 has 6 divisors (see below), whose sum is σ = 82530. Its totient is φ = 23576.

The previous prime is 47149. The next prime is 47161. The reversal of 47156 is 65174.

It can be written as a sum of positive squares in only one way, i.e., 27556 + 19600 = 166^2 + 140^2 .

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5891 + ... + 5898.

It is an arithmetic number, because the mean of its divisors is an integer number (13755).

247156 is an apocalyptic number.

It is an amenable number.

47156 is a deficient number, since it is larger than the sum of its proper divisors (35374).

47156 is a wasteful number, since it uses less digits than its factorization.

47156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11793 (or 11791 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 47156 is about 217.1543230056. The cubic root of 47156 is about 36.1281441451.

The spelling of 47156 in words is "forty-seven thousand, one hundred fifty-six".

Divisors: 1 2 4 11789 23578 47156