Search a number
-
+
11387284 = 222846821
BaseRepresentation
bin101011011100…
…000110010100
3210102112102021
4223130012110
510403343114
61044022524
7165535036
oct53340624
923375367
1011387284
116478487
123991a44
13248914c
141725c56
15eee024
hexadc194

11387284 has 6 divisors (see below), whose sum is σ = 19927754. Its totient is φ = 5693640.

The previous prime is 11387281. The next prime is 11387287. The reversal of 11387284 is 48278311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11387281) and next prime (11387287).

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 16900 = 3372^2 + 130^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387281) 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, 1423407 + ... + 1423414.

Almost surely, 211387284 is an apocalyptic number.

It is an amenable number.

11387284 is a deficient number, since it is larger than the sum of its proper divisors (8540470).

11387284 is a wasteful number, since it uses less digits than its factorization.

11387284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2846825 (or 2846823 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 11387284 is about 3374.5050007371. The cubic root of 11387284 is about 224.9779994950.

The spelling of 11387284 in words is "eleven million, three hundred eighty-seven thousand, two hundred eighty-four".

Divisors: 1 2 4 2846821 5693642 11387284