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11574121 = 13890317
BaseRepresentation
bin101100001001…
…101101101001
3210210000201011
4230021231221
510430332441
61052023521
7200243536
oct54115551
923700634
1011574121
116595899
123a61ba1
1325231c0
141773d8d
151039581
hexb09b69

11574121 has 4 divisors (see below), whose sum is σ = 12464452. Its totient is φ = 10683792.

The previous prime is 11574119. The next prime is 11574131. The reversal of 11574121 is 12147511.

11574121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12147511 = 103117937.

It can be written as a sum of positive squares in 2 ways, for example, as 3279721 + 8294400 = 1811^2 + 2880^2 .

It is a cyclic number.

It is not a de Polignac number, because 11574121 - 21 = 11574119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11574092 and 11574101.

It is not an unprimeable number, because it can be changed into a prime (11574131) 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, 445146 + ... + 445171.

It is an arithmetic number, because the mean of its divisors is an integer number (3116113).

Almost surely, 211574121 is an apocalyptic number.

It is an amenable number.

11574121 is a deficient number, since it is larger than the sum of its proper divisors (890331).

11574121 is an equidigital number, since it uses as much as digits as its factorization.

11574121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890330.

The product of its digits is 280, while the sum is 22.

The square root of 11574121 is about 3402.0759838663. The cubic root of 11574121 is about 226.2017737529.

The spelling of 11574121 in words is "eleven million, five hundred seventy-four thousand, one hundred twenty-one".

Divisors: 1 13 890317 11574121