Base | Representation |
---|---|
bin | 11001101000110… |
… | …01101011001010 |
3 | 112222200100022021 |
4 | 30310121223022 |
5 | 420024010432 |
6 | 33201315054 |
7 | 5221002352 |
oct | 1464315312 |
9 | 488610267 |
10 | 215063242 |
11 | 100441219 |
12 | 60035a8a |
13 | 3572c674 |
14 | 207c3b62 |
15 | 13d32697 |
hex | cd19aca |
215063242 has 8 divisors (see below), whose sum is σ = 339573600. Its totient is φ = 101872044.
The previous prime is 215063231. The next prime is 215063257. The reversal of 215063242 is 242360512.
215063242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829742 + ... + 2829817.
It is an arithmetic number, because the mean of its divisors is an integer number (42446700).
Almost surely, 2215063242 is an apocalyptic number.
215063242 is a deficient number, since it is larger than the sum of its proper divisors (124510358).
215063242 is a wasteful number, since it uses less digits than its factorization.
215063242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5659580.
The product of its (nonzero) digits is 2880, while the sum is 25.
The square root of 215063242 is about 14665.0346743538. The cubic root of 215063242 is about 599.1313745714.
The spelling of 215063242 in words is "two hundred fifteen million, sixty-three thousand, two hundred forty-two".
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