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7138163 = 20173539
BaseRepresentation
bin11011001110101101110011
3111102122201102
4123032231303
53311410123
6412555015
7114446654
oct33165563
914378642
107138163
11403600a
122482a6b
13162c086
14d3b52b
15960028
hex6ceb73

7138163 has 4 divisors (see below), whose sum is σ = 7143720. Its totient is φ = 7132608.

The previous prime is 7138123. The next prime is 7138169. The reversal of 7138163 is 3618317.

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.

It is a cyclic number.

It is not a de Polignac number, because 7138163 - 222 = 2943859 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138169) 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, 248 + ... + 3786.

It is an arithmetic number, because the mean of its divisors is an integer number (1785930).

Almost surely, 27138163 is an apocalyptic number.

7138163 is a deficient number, since it is larger than the sum of its proper divisors (5557).

7138163 is a wasteful number, since it uses less digits than its factorization.

7138163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5556.

The product of its digits is 3024, while the sum is 29.

The square root of 7138163 is about 2671.7340810792. The cubic root of 7138163 is about 192.5434814916.

The spelling of 7138163 in words is "seven million, one hundred thirty-eight thousand, one hundred sixty-three".

Divisors: 1 2017 3539 7138163