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7142163 = 37340103
BaseRepresentation
bin11011001111101100010011
3111102212012120
4123033230103
53312022123
6413025323
7114464430
oct33175423
914385176
107142163
114039016
122485243
131630b42
14d3cb87
159612e3
hex6cfb13

7142163 has 8 divisors (see below), whose sum is σ = 10883328. Its totient is φ = 4081224.

The previous prime is 7142141. The next prime is 7142173. The reversal of 7142163 is 3612417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7142163 - 28 = 7141907 is a prime.

7142163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7142173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170031 + ... + 170072.

It is an arithmetic number, because the mean of its divisors is an integer number (1360416).

Almost surely, 27142163 is an apocalyptic number.

7142163 is a deficient number, since it is larger than the sum of its proper divisors (3741165).

7142163 is a wasteful number, since it uses less digits than its factorization.

7142163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340113.

The product of its digits is 1008, while the sum is 24.

The square root of 7142163 is about 2672.4825537316. The cubic root of 7142163 is about 192.5794398612.

The spelling of 7142163 in words is "seven million, one hundred forty-two thousand, one hundred sixty-three".

Divisors: 1 3 7 21 340103 1020309 2380721 7142163