Base | Representation |
---|---|
bin | 1001100011011… |
… | …01111101011110 |
3 | 12120210122101200 |
4 | 10301231331132 |
5 | 131004022144 |
6 | 11541420330 |
7 | 1662124440 |
oct | 461557536 |
9 | 176718350 |
10 | 80142174 |
11 | 41269002 |
12 | 22a0a6a6 |
13 | 137b0008 |
14 | a902490 |
15 | 7080c69 |
hex | 4c6df5e |
80142174 has 48 divisors (see below), whose sum is σ = 201188832. Its totient is φ = 22581504.
The previous prime is 80142163. The next prime is 80142211. The reversal of 80142174 is 47124108.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4842 + ... + 13554.
It is an arithmetic number, because the mean of its divisors is an integer number (4191434).
Almost surely, 280142174 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 80142174, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100594416).
80142174 is an abundant number, since it is smaller than the sum of its proper divisors (121046658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80142174 is a wasteful number, since it uses less digits than its factorization.
80142174 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8801 (or 8798 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 27.
The square root of 80142174 is about 8952.2161502055. The cubic root of 80142174 is about 431.1420407766.
The spelling of 80142174 in words is "eighty million, one hundred forty-two thousand, one hundred seventy-four".
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