Base | Representation |
---|---|
bin | 10001000010000… |
… | …00011101100100 |
3 | 100221211120022021 |
4 | 20201000131210 |
5 | 243033322442 |
6 | 22102112524 |
7 | 3353243461 |
oct | 1041003544 |
9 | 327746267 |
10 | 142870372 |
11 | 73712697 |
12 | 3ba1b744 |
13 | 237a39a8 |
14 | 14d90668 |
15 | c821e67 |
hex | 8840764 |
142870372 has 12 divisors (see below), whose sum is σ = 250548480. Its totient is φ = 71285096.
The previous prime is 142870361. The next prime is 142870379. The reversal of 142870372 is 273078241.
It is not an unprimeable number, because it can be changed into a prime (142870379) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35368 + ... + 39199.
It is an arithmetic number, because the mean of its divisors is an integer number (20879040).
Almost surely, 2142870372 is an apocalyptic number.
It is an amenable number.
142870372 is a deficient number, since it is larger than the sum of its proper divisors (107678108).
142870372 is a wasteful number, since it uses less digits than its factorization.
142870372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 75050 (or 75048 counting only the distinct ones).
The product of its (nonzero) digits is 18816, while the sum is 34.
The square root of 142870372 is about 11952.8394952831. The cubic root of 142870372 is about 522.7740945693.
The spelling of 142870372 in words is "one hundred forty-two million, eight hundred seventy thousand, three hundred seventy-two".
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