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83243197 is a prime number
BaseRepresentation
bin1001111011000…
…11000010111101
312210122012012101
410331203002331
5132302240242
612132105101
72030361352
oct475430275
9183565171
1083243197
1142a96934
1223a65191
131432763b
14b0ac629
1574949b7
hex4f630bd

83243197 has 2 divisors, whose sum is σ = 83243198. Its totient is φ = 83243196.

The previous prime is 83243183. The next prime is 83243207. The reversal of 83243197 is 79134238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71723961 + 11519236 = 8469^2 + 3394^2 .

It is a cyclic number.

It is not a de Polignac number, because 83243197 - 215 = 83210429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83243297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41621598 + 41621599.

It is an arithmetic number, because the mean of its divisors is an integer number (41621599).

Almost surely, 283243197 is an apocalyptic number.

It is an amenable number.

83243197 is a deficient number, since it is larger than the sum of its proper divisors (1).

83243197 is an equidigital number, since it uses as much as digits as its factorization.

83243197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 83243197 is about 9123.7709857273. The cubic root of 83243197 is about 436.6326928744.

The spelling of 83243197 in words is "eighty-three million, two hundred forty-three thousand, one hundred ninety-seven".