Base | Representation |
---|---|
bin | 10001000001100… |
… | …01111010000000 |
3 | 100221201112112010 |
4 | 20200301322000 |
5 | 243024421002 |
6 | 22100532520 |
7 | 3352604610 |
oct | 1040617200 |
9 | 327645463 |
10 | 142810752 |
11 | 73681917 |
12 | 3b9b1140 |
13 | 23782806 |
14 | 14d76a40 |
15 | c80e46c |
hex | 8831e80 |
142810752 has 64 divisors (see below), whose sum is σ = 433540800. Its totient is φ = 40802304.
The previous prime is 142810729. The next prime is 142810753. The reversal of 142810752 is 257018241.
It is a tau number, because it is divible by the number of its divisors (64).
It is not an unprimeable number, because it can be changed into a prime (142810753) 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, 23877 + ... + 29252.
It is an arithmetic number, because the mean of its divisors is an integer number (6774075).
Almost surely, 2142810752 is an apocalyptic number.
142810752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142810752 is an abundant number, since it is smaller than the sum of its proper divisors (290730048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142810752 is an equidigital number, since it uses as much as digits as its factorization.
142810752 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53153 (or 53141 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 142810752 is about 11950.3452669787. The cubic root of 142810752 is about 522.7013663389.
Adding to 142810752 its reverse (257018241), we get a palindrome (399828993).
The spelling of 142810752 in words is "one hundred forty-two million, eight hundred ten thousand, seven hundred fifty-two".
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