Base | Representation |
---|---|
bin | 1001110100011… |
… | …01111001011110 |
3 | 12201222211121000 |
4 | 10322031321132 |
5 | 132041321032 |
6 | 12101251130 |
7 | 2020064121 |
oct | 472157136 |
9 | 181884530 |
10 | 82370142 |
11 | 4254a9a8 |
12 | 23703aa6 |
13 | 140b013a |
14 | ad223b8 |
15 | 7370e7c |
hex | 4e8de5e |
82370142 has 32 divisors (see below), whose sum is σ = 183382560. Its totient is φ = 27406080.
The previous prime is 82370089. The next prime is 82370143. The reversal of 82370142 is 24107328.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (82370143) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38542 + ... + 40622.
It is an arithmetic number, because the mean of its divisors is an integer number (5730705).
Almost surely, 282370142 is an apocalyptic number.
82370142 is an abundant number, since it is smaller than the sum of its proper divisors (101012418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
82370142 is a wasteful number, since it uses less digits than its factorization.
82370142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2825 (or 2819 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 82370142 is about 9075.7997994667. The cubic root of 82370142 is about 435.1008565191.
The spelling of 82370142 in words is "eighty-two million, three hundred seventy thousand, one hundred forty-two".
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