Search a number
-
+
92047 = 831109
BaseRepresentation
bin10110011110001111
311200021011
4112132033
510421142
61550051
7532234
oct263617
9150234
1092047
116317a
1245327
1332b87
142578b
151c417
hex1678f

92047 has 4 divisors (see below), whose sum is σ = 93240. Its totient is φ = 90856.

The previous prime is 92041. The next prime is 92051. The reversal of 92047 is 74029.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74029 = 181409.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-92047 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 14 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (23310).

292047 is an apocalyptic number.

92047 is a deficient number, since it is larger than the sum of its proper divisors (1193).

92047 is a wasteful number, since it uses less digits than its factorization.

92047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 92047 is about 303.3924850750. The cubic root of 92047 is about 45.1512605387.

The spelling of 92047 in words is "ninety-two thousand, forty-seven".

Divisors: 1 83 1109 92047