Search a number
-
+
47894 = 2711311
BaseRepresentation
bin1011101100010110
32102200212
423230112
53013034
61005422
7256430
oct135426
972625
1047894
1132a90
1223872
1318a52
1413650
15e2ce
hexbb16

47894 has 16 divisors (see below), whose sum is σ = 89856. Its totient is φ = 18600.

The previous prime is 47881. The next prime is 47903. The reversal of 47894 is 49874.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 309.

It is an arithmetic number, because the mean of its divisors is an integer number (5616).

247894 is an apocalyptic number.

47894 is a deficient number, since it is larger than the sum of its proper divisors (41962).

47894 is a wasteful number, since it uses less digits than its factorization.

47894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its digits is 8064, while the sum is 32.

The square root of 47894 is about 218.8469785032. The cubic root of 47894 is about 36.3156400868.

The spelling of 47894 in words is "forty-seven thousand, eight hundred ninety-four".

Divisors: 1 2 7 11 14 22 77 154 311 622 2177 3421 4354 6842 23947 47894