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8123142 = 231353857
BaseRepresentation
bin11110111111001100000110
3120021200212010
4132333030012
54034420032
6450035050
7126021426
oct36771406
916250763
108123142
114649045
122878a86
1318b54c1
141116486
15aa6ccc
hex7bf306

8123142 has 8 divisors (see below), whose sum is σ = 16246296. Its totient is φ = 2707712.

The previous prime is 8123123. The next prime is 8123183. The reversal of 8123142 is 2413218.

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

8123142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676923 + ... + 676934.

It is an arithmetic number, because the mean of its divisors is an integer number (2030787).

Almost surely, 28123142 is an apocalyptic number.

8123142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8123142 is a wasteful number, since it uses less digits than its factorization.

8123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353862.

The product of its digits is 384, while the sum is 21.

The square root of 8123142 is about 2850.1126293534. The cubic root of 8123142 is about 201.0209626413.

The spelling of 8123142 in words is "eight million, one hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 3 6 1353857 2707714 4061571 8123142