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8021049 = 32673683
BaseRepresentation
bin11110100110010000111001
3120002111210220
4132212100321
54023133144
6443530253
7125114661
oct36462071
916074726
108021049
114589373
122829989
13187abaa
1410cb1a1
15a86919
hex7a6439

8021049 has 4 divisors (see below), whose sum is σ = 10694736. Its totient is φ = 5347364.

The previous prime is 8021047. The next prime is 8021053. The reversal of 8021049 is 9401208.

8021049 is digitally balanced in base 3, 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.

It is a cyclic number.

It is not a de Polignac number, because 8021049 - 21 = 8021047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8021047) 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, 1336839 + ... + 1336844.

It is an arithmetic number, because the mean of its divisors is an integer number (2673684).

Almost surely, 28021049 is an apocalyptic number.

It is an amenable number.

8021049 is a deficient number, since it is larger than the sum of its proper divisors (2673687).

8021049 is a wasteful number, since it uses less digits than its factorization.

8021049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673686.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 8021049 is about 2832.1456530341. The cubic root of 8021049 is about 200.1752547174.

The spelling of 8021049 in words is "eight million, twenty-one thousand, forty-nine".

Divisors: 1 3 2673683 8021049