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11208481 is a prime number
BaseRepresentation
bin101010110000…
…011100100001
3210002110010221
4222300130201
510332132411
61040123041
7164161534
oct52603441
923073127
1011208481
116366109
123906481
13242594b
1416baa1b
15eb6071
hexab0721

11208481 has 2 divisors, whose sum is σ = 11208482. Its totient is φ = 11208480.

The previous prime is 11208473. The next prime is 11208487. The reversal of 11208481 is 18480211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8910225 + 2298256 = 2985^2 + 1516^2 .

It is an emirp because it is prime and its reverse (18480211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11208481 - 23 = 11208473 is a prime.

It is a super-2 number, since 2×112084812 = 251260092654722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11208487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5604240 + 5604241.

It is an arithmetic number, because the mean of its divisors is an integer number (5604241).

Almost surely, 211208481 is an apocalyptic number.

It is an amenable number.

11208481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11208481 is an equidigital number, since it uses as much as digits as its factorization.

11208481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11208481 is about 3347.9069580859. The cubic root of 11208481 is about 223.7942479827.

Adding to 11208481 its reverse (18480211), we get a palindrome (29688692).

The spelling of 11208481 in words is "eleven million, two hundred eight thousand, four hundred eighty-one".