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11145487 is a prime number
BaseRepresentation
bin101010100001…
…000100001111
3202222020201211
4222201010033
510323123422
61034515251
7163510063
oct52410417
922866654
1011145487
116322851
123895b27
132403082
1416a1aa3
15ea2577
hexaa110f

11145487 has 2 divisors, whose sum is σ = 11145488. Its totient is φ = 11145486.

The previous prime is 11145469. The next prime is 11145499. The reversal of 11145487 is 78454111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11145487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11145187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572743 + 5572744.

It is an arithmetic number, because the mean of its divisors is an integer number (5572744).

Almost surely, 211145487 is an apocalyptic number.

11145487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11145487 is an equidigital number, since it uses as much as digits as its factorization.

11145487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4480, while the sum is 31.

The square root of 11145487 is about 3338.4857345809. The cubic root of 11145487 is about 223.3742033072.

Adding to 11145487 its reverse (78454111), we get a palindrome (89599598).

The spelling of 11145487 in words is "eleven million, one hundred forty-five thousand, four hundred eighty-seven".