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99947273 is a prime number
BaseRepresentation
bin1011111010100…
…01001100001001
320222001211212212
411331101030021
5201041303043
613530114505
72322352316
oct575211411
9228054785
1099947273
1151465958
122957ba35
13179257ca
14d3b9d0d
158b94018
hex5f51309

99947273 has 2 divisors, whose sum is σ = 99947274. Its totient is φ = 99947272.

The previous prime is 99947231. The next prime is 99947291. The reversal of 99947273 is 37274999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95316169 + 4631104 = 9763^2 + 2152^2 .

It is a cyclic number.

It is not a de Polignac number, because 99947273 - 28 = 99947017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (99947203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49973636 + 49973637.

It is an arithmetic number, because the mean of its divisors is an integer number (49973637).

Almost surely, 299947273 is an apocalyptic number.

It is an amenable number.

99947273 is a deficient number, since it is larger than the sum of its proper divisors (1).

99947273 is an equidigital number, since it uses as much as digits as its factorization.

99947273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 50.

The square root of 99947273 is about 9997.3633023913. The cubic root of 99947273 is about 464.0772900009.

The spelling of 99947273 in words is "ninety-nine million, nine hundred forty-seven thousand, two hundred seventy-three".