Search a number
-
+
11150491 = 111013681
BaseRepresentation
bin101010100010…
…010010011011
3202222111121011
4222202102123
510323303431
61034554351
7163530502
oct52422233
922874534
1011150491
116326590
1238989b7
132405431
1416a3839
15ea3cb1
hexaa249b

11150491 has 4 divisors (see below), whose sum is σ = 12164184. Its totient is φ = 10136800.

The previous prime is 11150437. The next prime is 11150497. The reversal of 11150491 is 19405111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19405111 = 111764101.

It is a cyclic number.

It is not a de Polignac number, because 11150491 - 211 = 11148443 is a prime.

It is a super-3 number, since 3×111504913 (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11150497) 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 in 3 ways as a sum of consecutive naturals, for example, 506830 + ... + 506851.

It is an arithmetic number, because the mean of its divisors is an integer number (3041046).

Almost surely, 211150491 is an apocalyptic number.

11150491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11150491 is a deficient number, since it is larger than the sum of its proper divisors (1013693).

11150491 is a wasteful number, since it uses less digits than its factorization.

11150491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013692.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 11150491 is about 3339.2350920533. The cubic root of 11150491 is about 223.4076278157.

The spelling of 11150491 in words is "eleven million, one hundred fifty thousand, four hundred ninety-one".

Divisors: 1 11 1013681 11150491