Search a number
-
+
11111994 = 232617333
BaseRepresentation
bin101010011000…
…111000111010
3202220112210100
4222120320322
510321040434
61034100230
7163310325
oct52307072
922815710
1011111994
1162aa673
12387a676
1323c0a5a
1416937bc
15e97699
hexa98e3a

11111994 has 12 divisors (see below), whose sum is σ = 24076026. Its totient is φ = 3703992.

The previous prime is 11111993. The next prime is 11112007. The reversal of 11111994 is 49911111.

11111994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 1656369 = 3075^2 + 1287^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11111993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308649 + ... + 308684.

Almost surely, 211111994 is an apocalyptic number.

11111994 is an abundant number, since it is smaller than the sum of its proper divisors (12964032).

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

11111994 is a wasteful number, since it uses less digits than its factorization.

11111994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617341 (or 617338 counting only the distinct ones).

The product of its digits is 324, while the sum is 27.

The square root of 11111994 is about 3333.4657640360. The cubic root of 11111994 is about 223.1502268867.

The spelling of 11111994 in words is "eleven million, one hundred eleven thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 617333 1234666 1851999 3703998 5555997 11111994