Search a number
-
+
77894 = 2172979
BaseRepresentation
bin10011000001000110
310221211222
4103001012
54443034
61400342
7443045
oct230106
9127758
1077894
1153583
12390b2
13295bb
142055c
151812e
hex13046

77894 has 16 divisors (see below), whose sum is σ = 129600. Its totient is φ = 34944.

The previous prime is 77893. The next prime is 77899. The reversal of 77894 is 49877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (8100).

277894 is an apocalyptic number.

77894 is a deficient number, since it is larger than the sum of its proper divisors (51706).

77894 is a wasteful number, since it uses less digits than its factorization.

77894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127.

The product of its digits is 14112, while the sum is 35.

The square root of 77894 is about 279.0949659166. The cubic root of 77894 is about 42.7072232642.

The spelling of 77894 in words is "seventy-seven thousand, eight hundred ninety-four".

Divisors: 1 2 17 29 34 58 79 158 493 986 1343 2291 2686 4582 38947 77894