Base | Representation |
---|---|
bin | 10001000000111… |
… | …10111011000000 |
3 | 100221120120212010 |
4 | 20200132323000 |
5 | 243014423432 |
6 | 22055132520 |
7 | 3352132113 |
oct | 1040367300 |
9 | 327516763 |
10 | 142732992 |
11 | 73629456 |
12 | 3b974140 |
13 | 237562bc |
14 | 14d5657a |
15 | c7e63cc |
hex | 881eec0 |
142732992 has 28 divisors (see below), whose sum is σ = 377648216. Its totient is φ = 47577600.
The previous prime is 142732991. The next prime is 142732999. The reversal of 142732992 is 299237241.
142732992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 142732992.
It is not an unprimeable number, because it can be changed into a prime (142732991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371509 + ... + 371892.
Almost surely, 2142732992 is an apocalyptic number.
142732992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
142732992 is an abundant number, since it is smaller than the sum of its proper divisors (234915224).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142732992 is an equidigital number, since it uses as much as digits as its factorization.
142732992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 743416 (or 743406 counting only the distinct ones).
The product of its digits is 54432, while the sum is 39.
The square root of 142732992 is about 11947.0913614988. The cubic root of 142732992 is about 522.6064793714.
The spelling of 142732992 in words is "one hundred forty-two million, seven hundred thirty-two thousand, nine hundred ninety-two".
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