Search a number
-
+
11831668 = 222957917
BaseRepresentation
bin101101001000…
…100101110100
3211021002222221
4231020211310
511012103133
61101332124
7202365442
oct55104564
924232887
1011831668
116751342
123b67044
1325b34b4
1417ddb92
15108aa2d
hexb48974

11831668 has 6 divisors (see below), whose sum is σ = 20705426. Its totient is φ = 5915832.

The previous prime is 11831663. The next prime is 11831669. The reversal of 11831668 is 86613811.

It can be written as a sum of positive squares in only one way, i.e., 11573604 + 258064 = 3402^2 + 508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11831663) 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 as a sum of consecutive naturals, namely, 1478955 + ... + 1478962.

Almost surely, 211831668 is an apocalyptic number.

It is an amenable number.

11831668 is a deficient number, since it is larger than the sum of its proper divisors (8873758).

11831668 is a wasteful number, since it uses less digits than its factorization.

11831668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957921 (or 2957919 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 11831668 is about 3439.7191745839. The cubic root of 11831668 is about 227.8672922192.

The spelling of 11831668 in words is "eleven million, eight hundred thirty-one thousand, six hundred sixty-eight".

Divisors: 1 2 4 2957917 5915834 11831668