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11074981 is a prime number
BaseRepresentation
bin101010001111…
…110110100101
3202211200000111
4222033312211
510313344411
61033213021
7163064401
oct52176645
922750014
1011074981
116284885
123861171
1323a9c58
141684101
15e8b721
hexa8fda5

11074981 has 2 divisors, whose sum is σ = 11074982. Its totient is φ = 11074980.

The previous prime is 11074979. The next prime is 11074991. The reversal of 11074981 is 18947011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10458756 + 616225 = 3234^2 + 785^2 .

It is a cyclic number.

It is not a de Polignac number, because 11074981 - 21 = 11074979 is a prime.

It is a super-2 number, since 2×110749812 = 245310408300722, which contains 22 as substring.

Together with 11074979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11074991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5537490 + 5537491.

It is an arithmetic number, because the mean of its divisors is an integer number (5537491).

Almost surely, 211074981 is an apocalyptic number.

It is an amenable number.

11074981 is a deficient number, since it is larger than the sum of its proper divisors (1).

11074981 is an equidigital number, since it uses as much as digits as its factorization.

11074981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 11074981 is about 3327.9094038150. The cubic root of 11074981 is about 222.9021871904.

The spelling of 11074981 in words is "eleven million, seventy-four thousand, nine hundred eighty-one".