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11380523 = 711147799
BaseRepresentation
bin101011011010…
…011100101011
3210102012010212
4223122130223
510403134043
61043531335
7165506240
oct53323453
923365125
1011380523
1164733a0
123989b4b
13248604b
1417235c7
15eec018
hexada72b

11380523 has 8 divisors (see below), whose sum is σ = 14188800. Its totient is φ = 8867880.

The previous prime is 11380517. The next prime is 11380543. The reversal of 11380523 is 32508311.

11380523 is digitally balanced in base 3, because in such base 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 11380523 - 24 = 11380507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11380513) 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, 73823 + ... + 73976.

It is an arithmetic number, because the mean of its divisors is an integer number (1773600).

Almost surely, 211380523 is an apocalyptic number.

11380523 is a deficient number, since it is larger than the sum of its proper divisors (2808277).

11380523 is a wasteful number, since it uses less digits than its factorization.

11380523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147817.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 11380523 is about 3373.5030754395. The cubic root of 11380523 is about 224.9334651005.

Adding to 11380523 its reverse (32508311), we get a palindrome (43888834).

The spelling of 11380523 in words is "eleven million, three hundred eighty thousand, five hundred twenty-three".

Divisors: 1 7 11 77 147799 1034593 1625789 11380523