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10247291 is a prime number
BaseRepresentation
bin100111000101…
…110001111011
3201021121122022
4213011301323
510110403131
61003345055
7153046325
oct47056173
921247568
1010247291
115869a3a
12352218b
13217a2b2
14150a615
15d7637b
hex9c5c7b

10247291 has 2 divisors, whose sum is σ = 10247292. Its totient is φ = 10247290.

The previous prime is 10247273. The next prime is 10247317. The reversal of 10247291 is 19274201.

It is an a-pointer prime, because the next prime (10247317) can be obtained adding 10247291 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (19274201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10247291 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10247291.

It is not a weakly prime, because it can be changed into another prime (10247221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5123645 + 5123646.

It is an arithmetic number, because the mean of its divisors is an integer number (5123646).

Almost surely, 210247291 is an apocalyptic number.

10247291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10247291 is an equidigital number, since it uses as much as digits as its factorization.

10247291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 10247291 is about 3201.1390160379. The cubic root of 10247291 is about 217.2049356911.

The spelling of 10247291 in words is "ten million, two hundred forty-seven thousand, two hundred ninety-one".