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75499211 is a prime number
BaseRepresentation
bin1001000000000…
…00011011001011
312021001202110002
410200000123023
5123311433321
611254113215
71604506214
oct440003313
9167052402
1075499211
1139687747
122134b80b
13128458b8
14a05440b
15696520b
hex48006cb

75499211 has 2 divisors, whose sum is σ = 75499212. Its totient is φ = 75499210.

The previous prime is 75499201. The next prime is 75499213. The reversal of 75499211 is 11299457.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75499211 - 210 = 75498187 is a prime.

It is a Sophie Germain prime.

Together with 75499213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75499213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37749605 + 37749606.

It is an arithmetic number, because the mean of its divisors is an integer number (37749606).

Almost surely, 275499211 is an apocalyptic number.

75499211 is a deficient number, since it is larger than the sum of its proper divisors (1).

75499211 is an equidigital number, since it uses as much as digits as its factorization.

75499211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 38.

The square root of 75499211 is about 8689.0281965246. The cubic root of 75499211 is about 422.6499328985.

The spelling of 75499211 in words is "seventy-five million, four hundred ninety-nine thousand, two hundred eleven".