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11530315 = 52306063
BaseRepresentation
bin101011111111…
…000001001011
3210200210121201
4223333001023
510422432230
61051045031
7200002036
oct53770113
923623551
1011530315
116565995
123a40777
132509294
14176201d
15102b5ca
hexaff04b

11530315 has 4 divisors (see below), whose sum is σ = 13836384. Its totient is φ = 9224248.

The previous prime is 11530297. The next prime is 11530319. The reversal of 11530315 is 51303511.

11530315 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51303511 = 77329073.

It is a cyclic number.

It is not a de Polignac number, because 11530315 - 213 = 11522123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11530292 and 11530301.

It is not an unprimeable number, because it can be changed into a prime (11530319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153027 + ... + 1153036.

It is an arithmetic number, because the mean of its divisors is an integer number (3459096).

Almost surely, 211530315 is an apocalyptic number.

11530315 is a deficient number, since it is larger than the sum of its proper divisors (2306069).

11530315 is an equidigital number, since it uses as much as digits as its factorization.

11530315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2306068.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 11530315 is about 3395.6317527082. The cubic root of 11530315 is about 225.9160350629.

Adding to 11530315 its reverse (51303511), we get a palindrome (62833826).

The spelling of 11530315 in words is "eleven million, five hundred thirty thousand, three hundred fifteen".

Divisors: 1 5 2306063 11530315