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83231471 is a prime number
BaseRepresentation
bin1001111011000…
…00001011101111
312210121121010002
410331200023233
5132301401341
612131534515
72030312231
oct475401357
9183547102
1083231471
1142a89044
1223a5a43b
13143221bb
14b0a8251
15749129b
hex4f602ef

83231471 has 2 divisors, whose sum is σ = 83231472. Its totient is φ = 83231470.

The previous prime is 83231459. The next prime is 83231513. The reversal of 83231471 is 17413238.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83231471 - 210 = 83230447 is a prime.

It is a super-3 number, since 3×832314713 (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83231431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41615735 + 41615736.

It is an arithmetic number, because the mean of its divisors is an integer number (41615736).

Almost surely, 283231471 is an apocalyptic number.

83231471 is a deficient number, since it is larger than the sum of its proper divisors (1).

83231471 is an equidigital number, since it uses as much as digits as its factorization.

83231471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 29.

The square root of 83231471 is about 9123.1283559972. The cubic root of 83231471 is about 436.6121899162.

The spelling of 83231471 in words is "eighty-three million, two hundred thirty-one thousand, four hundred seventy-one".