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11830691 = 174871429
BaseRepresentation
bin101101001000…
…010110100011
3211021001122202
4231020112203
511012040231
61101323415
7202362545
oct55102643
924231582
1011830691
116750634
123b6656b
1325b2c12
1417dd695
15108a5cb
hexb485a3

11830691 has 8 divisors (see below), whose sum is σ = 12561120. Its totient is φ = 11104128.

The previous prime is 11830661. The next prime is 11830697. The reversal of 11830691 is 19603811.

It is a happy number.

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

It is not a de Polignac number, because 11830691 - 26 = 11830627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11830697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7565 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (1570140).

Almost surely, 211830691 is an apocalyptic number.

11830691 is a deficient number, since it is larger than the sum of its proper divisors (730429).

11830691 is a wasteful number, since it uses less digits than its factorization.

11830691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 11830691 is about 3439.5771542444. The cubic root of 11830691 is about 227.8610199993.

It can be divided in two parts, 11830 and 691, that added together give a palindrome (12521).

The spelling of 11830691 in words is "eleven million, eight hundred thirty thousand, six hundred ninety-one".

Divisors: 1 17 487 1429 8279 24293 695923 11830691