Search a number
-
+
11142023 = 30893607
BaseRepresentation
bin101010100000…
…001110000111
3202222001222112
4222200032013
510323021043
61034451235
7163464014
oct52401607
922861875
1011142023
116320192
123893b1b
132401619
1416a070b
15ea1518
hexaa0387

11142023 has 4 divisors (see below), whose sum is σ = 11148720. Its totient is φ = 11135328.

The previous prime is 11142013. The next prime is 11142029. The reversal of 11142023 is 32024111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 32024111 = 74574873.

It is a cyclic number.

It is not a de Polignac number, because 11142023 - 212 = 11137927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11141989 and 11142007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1286 + ... + 4892.

It is an arithmetic number, because the mean of its divisors is an integer number (2787180).

Almost surely, 211142023 is an apocalyptic number.

11142023 is a deficient number, since it is larger than the sum of its proper divisors (6697).

11142023 is an equidigital number, since it uses as much as digits as its factorization.

11142023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6696.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11142023 is about 3337.9668961810. The cubic root of 11142023 is about 223.3510594579.

Adding to 11142023 its reverse (32024111), we get a palindrome (43166134).

The spelling of 11142023 in words is "eleven million, one hundred forty-two thousand, twenty-three".

Divisors: 1 3089 3607 11142023