Search a number
-
+
61171 = 116783
BaseRepresentation
bin1110111011110011
310002220121
432323303
53424141
61151111
7343225
oct167363
9102817
1061171
1141a60
122b497
1321ac6
1418415
15131d1
hexeef3

61171 has 8 divisors (see below), whose sum is σ = 68544. Its totient is φ = 54120.

The previous prime is 61169. The next prime is 61211. The reversal of 61171 is 17116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61171 - 21 = 61169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61121) 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, 696 + ... + 778.

It is an arithmetic number, because the mean of its divisors is an integer number (8568).

261171 is an apocalyptic number.

61171 is a deficient number, since it is larger than the sum of its proper divisors (7373).

61171 is a wasteful number, since it uses less digits than its factorization.

61171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161.

The product of its digits is 42, while the sum is 16.

The square root of 61171 is about 247.3277178159. The cubic root of 61171 is about 39.4017211750.

Adding to 61171 its reverse (17116), we get a palindrome (78287).

It can be divided in two parts, 61 and 171, that added together give a palindrome (232).

The spelling of 61171 in words is "sixty-one thousand, one hundred seventy-one".

Divisors: 1 11 67 83 737 913 5561 61171