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11315797 is a prime number
BaseRepresentation
bin101011001010…
…101001010101
3210021220100121
4223022221111
510344101142
61042311541
7165116443
oct53125125
923256317
1011315797
1164297a9
1239585b1
13246274c
141707b93
15ed7c67
hexacaa55

11315797 has 2 divisors, whose sum is σ = 11315798. Its totient is φ = 11315796.

The previous prime is 11315791. The next prime is 11315807. The reversal of 11315797 is 79751311.

11315797 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 1418481 = 3146^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 11315797 - 215 = 11283029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11315791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657898 + 5657899.

It is an arithmetic number, because the mean of its divisors is an integer number (5657899).

Almost surely, 211315797 is an apocalyptic number.

It is an amenable number.

11315797 is a deficient number, since it is larger than the sum of its proper divisors (1).

11315797 is an equidigital number, since it uses as much as digits as its factorization.

11315797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6615, while the sum is 34.

The square root of 11315797 is about 3363.8961042220. The cubic root of 11315797 is about 224.5062225149.

The spelling of 11315797 in words is "eleven million, three hundred fifteen thousand, seven hundred ninety-seven".