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870041 = 1038447
BaseRepresentation
bin11010100011010011001
31122012110202
43110122121
5210320131
630351545
710252364
oct3243231
91565422
10870041
11544747
1235b5b5
13246023
141890db
15122bcb
hexd4699

870041 has 4 divisors (see below), whose sum is σ = 878592. Its totient is φ = 861492.

The previous prime is 870031. The next prime is 870047. The reversal of 870041 is 140078.

It is a happy number.

870041 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140078 = 270039.

It is not a de Polignac number, because 870041 - 210 = 869017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 869995 and 870022.

It is not an unprimeable number, because it can be changed into a prime (870047) 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, 4121 + ... + 4326.

It is an arithmetic number, because the mean of its divisors is an integer number (219648).

2870041 is an apocalyptic number.

It is an amenable number.

870041 is a deficient number, since it is larger than the sum of its proper divisors (8551).

870041 is a wasteful number, since it uses less digits than its factorization.

870041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8550.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 870041 is about 932.7598833569. The cubic root of 870041 is about 95.4655266965.

The spelling of 870041 in words is "eight hundred seventy thousand, forty-one".

Divisors: 1 103 8447 870041