Search a number
83142313 is a prime number
BaseRepresentation
bin1001111010010…
…10011010101001
312210110001210221
410331022122221
5132241023223
612130010041
72026461262
oct475123251
9183401727
1083142313
1142a28061
1223a16921
13142c0747
14b083969
157474b5d
hex4f4a6a9

83142313 has 2 divisors, whose sum is σ = 83142314. Its totient is φ = 83142312.

The previous prime is 83142259. The next prime is 83142361. The reversal of 83142313 is 31324138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67436944 + 15705369 = 8212^2 + 3963^2 .

It is a cyclic number.

It is not a de Polignac number, because 83142313 - 29 = 83141801 is a prime.

It is not a weakly prime, because it can be changed into another prime (83142373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41571156 + 41571157.

It is an arithmetic number, because the mean of its divisors is an integer number (41571157).

Almost surely, 283142313 is an apocalyptic number.

It is an amenable number.

83142313 is a deficient number, since it is larger than the sum of its proper divisors (1).

83142313 is an equidigital number, since it uses as much as digits as its factorization.

83142313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 83142313 is about 9118.2406746038. The cubic root of 83142313 is about 436.4562337728.

The spelling of 83142313 in words is "eighty-three million, one hundred forty-two thousand, three hundred thirteen".