Base | Representation |
---|---|
bin | 10001000000111… |
… | …00101111100110 |
3 | 100221120010121200 |
4 | 20200130233212 |
5 | 243014132240 |
6 | 22055023330 |
7 | 3352064106 |
oct | 1040345746 |
9 | 327503550 |
10 | 142724070 |
11 | 73622785 |
12 | 3b96ab46 |
13 | 23752218 |
14 | 14d53206 |
15 | c7e3930 |
hex | 881cbe6 |
142724070 has 48 divisors (see below), whose sum is σ = 376637040. Its totient is φ = 37490112.
The previous prime is 142724033. The next prime is 142724077. The reversal of 142724070 is 70427241.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142724077) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5805 + ... + 17864.
It is an arithmetic number, because the mean of its divisors is an integer number (7846605).
Almost surely, 2142724070 is an apocalyptic number.
142724070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142724070 is an abundant number, since it is smaller than the sum of its proper divisors (233912970).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142724070 is a wasteful number, since it uses less digits than its factorization.
142724070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23749 (or 23746 counting only the distinct ones).
The product of its (nonzero) digits is 3136, while the sum is 27.
The square root of 142724070 is about 11946.7179593393. The cubic root of 142724070 is about 522.5955900596.
The spelling of 142724070 in words is "one hundred forty-two million, seven hundred twenty-four thousand, seventy".
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