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11568493 is a prime number
BaseRepresentation
bin101100001000…
…010101101101
3210202201222201
4230020111231
510430142433
61051541501
7200221246
oct54102555
923681881
1011568493
116591642
123a5a891
132520781
141771ccd
151037a7d
hexb0856d

11568493 has 2 divisors, whose sum is σ = 11568494. Its totient is φ = 11568492.

The previous prime is 11568481. The next prime is 11568499. The reversal of 11568493 is 39486511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11410884 + 157609 = 3378^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 11568493 - 213 = 11560301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11568499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5784246 + 5784247.

It is an arithmetic number, because the mean of its divisors is an integer number (5784247).

Almost surely, 211568493 is an apocalyptic number.

It is an amenable number.

11568493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11568493 is an equidigital number, since it uses as much as digits as its factorization.

11568493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 11568493 is about 3401.2487412714. The cubic root of 11568493 is about 226.1651037260.

The spelling of 11568493 in words is "eleven million, five hundred sixty-eight thousand, four hundred ninety-three".