Search a number
-
+
83233171 = 731212373
BaseRepresentation
bin1001111011000…
…00100110010011
312210121200110001
410331200212103
5132301430141
612131550431
72030320210
oct475404623
9183550401
1083233171
1142a8a34a
1223a5b417
1314322bc8
14b0a8b07
157491a31
hex4f60993

83233171 has 12 divisors (see below), whose sum is σ = 98299056. Its totient is φ = 69035760.

The previous prime is 83233169. The next prime is 83233211. The reversal of 83233171 is 17133238.

It is not a de Polignac number, because 83233171 - 21 = 83233169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83233141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541 + ... + 12913.

It is an arithmetic number, because the mean of its divisors is an integer number (8191588).

Almost surely, 283233171 is an apocalyptic number.

83233171 is a deficient number, since it is larger than the sum of its proper divisors (15065885).

83233171 is a wasteful number, since it uses less digits than its factorization.

83233171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442 (or 12411 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 83233171 is about 9123.2215253166. The cubic root of 83233171 is about 436.6151624924.

The spelling of 83233171 in words is "eighty-three million, two hundred thirty-three thousand, one hundred seventy-one".

Divisors: 1 7 31 217 961 6727 12373 86611 383563 2684941 11890453 83233171