Search a number
-
+
11061819 = 331921563
BaseRepresentation
bin101010001100…
…101000111011
3202210222222000
4222030220323
510312434234
61033032043
7163011126
oct52145073
922728860
1011061819
1162759aa
123855623
1323a3c72
14167d3bd
15e87899
hexa8ca3b

11061819 has 16 divisors (see below), whose sum is σ = 17251200. Its totient is φ = 6986088.

The previous prime is 11061811. The next prime is 11061833. The reversal of 11061819 is 91816011.

11061819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11061819 - 23 = 11061811 is a prime.

It is a super-2 number, since 2×110618192 = 244727679177522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11061792 and 11061801.

It is not an unprimeable number, because it can be changed into a prime (11061811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10269 + ... + 11294.

It is an arithmetic number, because the mean of its divisors is an integer number (1078200).

Almost surely, 211061819 is an apocalyptic number.

11061819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11061819 is a deficient number, since it is larger than the sum of its proper divisors (6189381).

11061819 is a wasteful number, since it uses less digits than its factorization.

11061819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21591 (or 21585 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 11061819 is about 3325.9312981479. The cubic root of 11061819 is about 222.8138498955.

The spelling of 11061819 in words is "eleven million, sixty-one thousand, eight hundred nineteen".

Divisors: 1 3 9 19 27 57 171 513 21563 64689 194067 409697 582201 1229091 3687273 11061819