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11312057 is a prime number
BaseRepresentation
bin101011001001…
…101110111001
3210021201020002
4223021232321
510343441212
61042242345
7165102521
oct53115671
923251202
1011312057
116426a09
1239563b5
132460b33
141706681
15ed6ac2
hexac9bb9

11312057 has 2 divisors, whose sum is σ = 11312058. Its totient is φ = 11312056.

The previous prime is 11312051. The next prime is 11312069. The reversal of 11312057 is 75021311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10916416 + 395641 = 3304^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 11312057 - 28 = 11311801 is a prime.

It is not a weakly prime, because it can be changed into another prime (11312051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656028 + 5656029.

It is an arithmetic number, because the mean of its divisors is an integer number (5656029).

Almost surely, 211312057 is an apocalyptic number.

It is an amenable number.

11312057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312057 is an equidigital number, since it uses as much as digits as its factorization.

11312057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 11312057 is about 3363.3401552623. The cubic root of 11312057 is about 224.4814858336.

Adding to 11312057 its reverse (75021311), we get a palindrome (86333368).

The spelling of 11312057 in words is "eleven million, three hundred twelve thousand, fifty-seven".