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11141849 = 21135273
BaseRepresentation
bin101010100000…
…001011011001
3202222001202002
4222200023121
510323014344
61034450345
7163463345
oct52401331
922861662
1011141849
116320044
1238939b5
132401514
1416a0625
15ea144e
hexaa02d9

11141849 has 4 divisors (see below), whose sum is σ = 11149236. Its totient is φ = 11134464.

The previous prime is 11141839. The next prime is 11141863. The reversal of 11141849 is 94814111.

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: 94814111 = 713544873.

It can be written as a sum of positive squares in 2 ways, for example, as 1729225 + 9412624 = 1315^2 + 3068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11141849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11141839) 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, 524 + ... + 4749.

It is an arithmetic number, because the mean of its divisors is an integer number (2787309).

Almost surely, 211141849 is an apocalyptic number.

It is an amenable number.

11141849 is a deficient number, since it is larger than the sum of its proper divisors (7387).

11141849 is an equidigital number, since it uses as much as digits as its factorization.

11141849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7386.

The product of its digits is 1152, while the sum is 29.

The square root of 11141849 is about 3337.9408323096. The cubic root of 11141849 is about 223.3498967939.

The spelling of 11141849 in words is "eleven million, one hundred forty-one thousand, eight hundred forty-nine".

Divisors: 1 2113 5273 11141849