Search a number
-
+
83129341 = 292866529
BaseRepresentation
bin1001111010001…
…11001111111101
312210102102000111
410331013033331
5132240114331
612125430021
72026405411
oct475071775
9183372014
1083129341
1142a19339
1223a0b311
13142b7879
14b07cd41
157470db1
hex4f473fd

83129341 has 4 divisors (see below), whose sum is σ = 85995900. Its totient is φ = 80262784.

The previous prime is 83129329. The next prime is 83129369. The reversal of 83129341 is 14392138.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61544025 + 21585316 = 7845^2 + 4646^2 .

It is a cyclic number.

It is not a de Polignac number, because 83129341 - 211 = 83127293 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 (83129311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1433236 + ... + 1433293.

It is an arithmetic number, because the mean of its divisors is an integer number (21498975).

Almost surely, 283129341 is an apocalyptic number.

It is an amenable number.

83129341 is a deficient number, since it is larger than the sum of its proper divisors (2866559).

83129341 is a wasteful number, since it uses less digits than its factorization.

83129341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866558.

The product of its digits is 5184, while the sum is 31.

The square root of 83129341 is about 9117.5293254258. The cubic root of 83129341 is about 436.4335337198.

The spelling of 83129341 in words is "eighty-three million, one hundred twenty-nine thousand, three hundred forty-one".

Divisors: 1 29 2866529 83129341