Base | Representation |
---|---|
bin | 10000111111100… |
… | …10010011001011 |
3 | 100221020022010202 |
4 | 20133302103023 |
5 | 242443101334 |
6 | 22051202415 |
7 | 3350441210 |
oct | 1037622313 |
9 | 327208122 |
10 | 142550219 |
11 | 735140a9 |
12 | 3b8a640b |
13 | 236c1056 |
14 | 14d09b07 |
15 | c7ac17e |
hex | 87f24cb |
142550219 has 8 divisors (see below), whose sum is σ = 172497888. Its totient is φ = 114998400.
The previous prime is 142550209. The next prime is 142550227. The reversal of 142550219 is 912055241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142550219 - 28 = 142549963 is a prime.
It is a super-2 number, since 2×1425502192 = 40641129873895922, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 142550191 and 142550200.
It is not an unprimeable number, because it can be changed into a prime (142550209) 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, 598832 + ... + 599069.
It is an arithmetic number, because the mean of its divisors is an integer number (21562236).
Almost surely, 2142550219 is an apocalyptic number.
142550219 is a deficient number, since it is larger than the sum of its proper divisors (29947669).
142550219 is a wasteful number, since it uses less digits than its factorization.
142550219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1197925.
The product of its (nonzero) digits is 3600, while the sum is 29.
The square root of 142550219 is about 11939.4396434674. The cubic root of 142550219 is about 522.3833140684.
The spelling of 142550219 in words is "one hundred forty-two million, five hundred fifty thousand, two hundred nineteen".
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