Search a number
-
+
11868198 = 2319104107
BaseRepresentation
bin101101010001…
…100000100110
3211022222002220
4231101200212
511014240243
61102213210
7202610106
oct55214046
924288086
1011868198
116776831
123b84206
1325c7004
14180d206
151096783
hexb51826

11868198 has 16 divisors (see below), whose sum is σ = 24985920. Its totient is φ = 3747816.

The previous prime is 11868191. The next prime is 11868203. The reversal of 11868198 is 89186811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868191) 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, 51940 + ... + 52167.

It is an arithmetic number, because the mean of its divisors is an integer number (1561620).

Almost surely, 211868198 is an apocalyptic number.

11868198 is an abundant number, since it is smaller than the sum of its proper divisors (13117722).

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

11868198 is a wasteful number, since it uses less digits than its factorization.

11868198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104131.

The product of its digits is 27648, while the sum is 42.

The square root of 11868198 is about 3445.0251087619. The cubic root of 11868198 is about 228.1015629391.

The spelling of 11868198 in words is "eleven million, eight hundred sixty-eight thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 19 38 57 114 104107 208214 312321 624642 1978033 3956066 5934099 11868198