Search a number
-
+
81483 = 3157173
BaseRepresentation
bin10011111001001011
311010202220
4103321023
510101413
61425123
7456363
oct237113
9133686
1081483
1156246
123b1a3
132b11c
14219a3
1519223
hex13e4b

81483 has 8 divisors (see below), whose sum is σ = 109968. Its totient is φ = 53664.

The previous prime is 81463. The next prime is 81509. The reversal of 81483 is 38418.

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

It is not a de Polignac number, because 81483 - 213 = 73291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (81463) 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, 385 + ... + 557.

It is an arithmetic number, because the mean of its divisors is an integer number (13746).

281483 is an apocalyptic number.

81483 is a deficient number, since it is larger than the sum of its proper divisors (28485).

81483 is a wasteful number, since it uses less digits than its factorization.

81483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333.

The product of its digits is 768, while the sum is 24.

The square root of 81483 is about 285.4522727182. The cubic root of 81483 is about 43.3533175411.

The spelling of 81483 in words is "eighty-one thousand, four hundred eighty-three".

Divisors: 1 3 157 173 471 519 27161 81483