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84934973 is a prime number
BaseRepresentation
bin1010001000000…
…00000100111101
312220211010212202
411010000010331
5133220404343
612232241245
72050635554
oct504000475
9186733782
1084934973
1143a419a2
1224540225
131479a6a6
14b3ccd9b
1576cadb8
hex510013d

84934973 has 2 divisors, whose sum is σ = 84934974. Its totient is φ = 84934972.

The previous prime is 84934951. The next prime is 84934987. The reversal of 84934973 is 37943948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70593604 + 14341369 = 8402^2 + 3787^2 .

It is a cyclic number.

It is not a de Polignac number, because 84934973 - 216 = 84869437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84934373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42467486 + 42467487.

It is an arithmetic number, because the mean of its divisors is an integer number (42467487).

Almost surely, 284934973 is an apocalyptic number.

It is an amenable number.

84934973 is a deficient number, since it is larger than the sum of its proper divisors (1).

84934973 is an equidigital number, since it uses as much as digits as its factorization.

84934973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 47.

The square root of 84934973 is about 9216.0171983346. The cubic root of 84934973 is about 439.5708160064.

Subtracting from 84934973 its reverse (37943948), we obtain a square (46991025 = 68552).

The spelling of 84934973 in words is "eighty-four million, nine hundred thirty-four thousand, nine hundred seventy-three".