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11215049 is a prime number
BaseRepresentation
bin101010110010…
…000011001001
3210002210011012
4222302003021
510332340144
61040213305
7164216636
oct52620311
923083135
1011215049
11637003a
12390a235
132428931
1416bd18d
15eb7e9e
hexab20c9

11215049 has 2 divisors, whose sum is σ = 11215050. Its totient is φ = 11215048.

The previous prime is 11215031. The next prime is 11215079. The reversal of 11215049 is 94051211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7661824 + 3553225 = 2768^2 + 1885^2 .

It is an emirp because it is prime and its reverse (94051211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11215049 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11215079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607524 + 5607525.

It is an arithmetic number, because the mean of its divisors is an integer number (5607525).

Almost surely, 211215049 is an apocalyptic number.

It is an amenable number.

11215049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11215049 is an equidigital number, since it uses as much as digits as its factorization.

11215049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 11215049 is about 3348.8877257979. The cubic root of 11215049 is about 223.8379527929.

The spelling of 11215049 in words is "eleven million, two hundred fifteen thousand, forty-nine".