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11312523 = 322989487
BaseRepresentation
bin101011001001…
…110110001011
3210021201212100
4223021312023
510344000043
61042244443
7165104055
oct53116613
923251770
1011312523
1164272a2
123956723
132461101
1417068d5
15ed6cd3
hexac9d8b

11312523 has 24 divisors (see below), whose sum is σ = 17128800. Its totient is φ = 7185024.

The previous prime is 11312519. The next prime is 11312537. The reversal of 11312523 is 32521311.

11312523 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11312523 - 22 = 11312519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11312496 and 11312505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22986 + ... + 23472.

It is an arithmetic number, because the mean of its divisors is an integer number (713700).

Almost surely, 211312523 is an apocalyptic number.

11312523 is a deficient number, since it is larger than the sum of its proper divisors (5816277).

11312523 is a wasteful number, since it uses less digits than its factorization.

11312523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611 (or 608 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 11312523 is about 3363.4094309198. The cubic root of 11312523 is about 224.4845682949.

Adding to 11312523 its reverse (32521311), we get a palindrome (43833834).

The spelling of 11312523 in words is "eleven million, three hundred twelve thousand, five hundred twenty-three".

Divisors: 1 3 9 29 87 89 261 267 487 801 1461 2581 4383 7743 14123 23229 42369 43343 127107 130029 390087 1256947 3770841 11312523