Search a number
-
+
11818136 = 2311235839
BaseRepresentation
bin101101000101…
…010010011000
3211020102102202
4231011102120
511011140021
61101145332
7202311131
oct55052230
924212382
1011818136
116742160
123b5b248
1325aa2a5
1417d8c88
151086a0b
hexb45498

11818136 has 32 divisors (see below), whose sum is σ = 25228800. Its totient is φ = 5137440.

The previous prime is 11818097. The next prime is 11818139. The reversal of 11818136 is 63181811.

It is a junction number, because it is equal to n+sod(n) for n = 11818099 and 11818108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11818139) 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, 896 + ... + 4943.

It is an arithmetic number, because the mean of its divisors is an integer number (788400).

Almost surely, 211818136 is an apocalyptic number.

It is an amenable number.

11818136 is an abundant number, since it is smaller than the sum of its proper divisors (13410664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11818136 is a wasteful number, since it uses less digits than its factorization.

11818136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879 (or 5875 counting only the distinct ones).

The product of its digits is 1152, while the sum is 29.

The square root of 11818136 is about 3437.7515907930. The cubic root of 11818136 is about 227.7803876935.

Adding to 11818136 its reverse (63181811), we get a palindrome (74999947).

The spelling of 11818136 in words is "eleven million, eight hundred eighteen thousand, one hundred thirty-six".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 5839 11678 23356 46712 64229 128458 134297 256916 268594 513832 537188 1074376 1477267 2954534 5909068 11818136