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11424871 = 19601309
BaseRepresentation
bin101011100101…
…010001100111
3210111102222101
4223211101213
510411043441
61044512531
7166052443
oct53452147
923442871
1011424871
1164a3747
1239ab747
1324a02a3
141735823
15100a231
hexae5467

11424871 has 4 divisors (see below), whose sum is σ = 12026200. Its totient is φ = 10823544.

The previous prime is 11424821. The next prime is 11424877. The reversal of 11424871 is 17842411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17842411 = 23775757.

It is a cyclic number.

It is not a de Polignac number, because 11424871 - 211 = 11422823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11424877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300636 + ... + 300673.

It is an arithmetic number, because the mean of its divisors is an integer number (3006550).

Almost surely, 211424871 is an apocalyptic number.

11424871 is a deficient number, since it is larger than the sum of its proper divisors (601329).

11424871 is an equidigital number, since it uses as much as digits as its factorization.

11424871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601328.

The product of its digits is 1792, while the sum is 28.

The square root of 11424871 is about 3380.0696738381. The cubic root of 11424871 is about 225.2252624653.

The spelling of 11424871 in words is "eleven million, four hundred twenty-four thousand, eight hundred seventy-one".

Divisors: 1 19 601309 11424871