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11311315 = 52519013
BaseRepresentation
bin101011001001…
…100011010011
3210021200012121
4223021203103
510343430230
61042235111
7165100411
oct53114323
923250177
1011311315
1164263a4
123955a97
1324606b2
1417062b1
15ed677a
hexac98d3

11311315 has 8 divisors (see below), whose sum is σ = 13629168. Its totient is φ = 9012000.

The previous prime is 11311301. The next prime is 11311319. The reversal of 11311315 is 51311311.

11311315 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 sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11311315 - 25 = 11311283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3252 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (1703646).

Almost surely, 211311315 is an apocalyptic number.

11311315 is a deficient number, since it is larger than the sum of its proper divisors (2317853).

11311315 is an equidigital number, since it uses as much as digits as its factorization.

11311315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9269.

The product of its digits is 45, while the sum is 16.

The square root of 11311315 is about 3363.2298464423. The cubic root of 11311315 is about 224.4765775337.

Adding to 11311315 its reverse (51311311), we get a palindrome (62622626).

The spelling of 11311315 in words is "eleven million, three hundred eleven thousand, three hundred fifteen".

Divisors: 1 5 251 1255 9013 45065 2262263 11311315