Base | Representation |
---|---|
bin | 11100110110101… |
… | …11010001000111 |
3 | 121212110121221221 |
4 | 32123113101013 |
5 | 443431213330 |
6 | 40004021211 |
7 | 5666266264 |
oct | 1633272107 |
9 | 555417857 |
10 | 242054215 |
11 | 1146a6a07 |
12 | 69091807 |
13 | 3b1bcb60 |
14 | 2420c26b |
15 | 163b4b7a |
hex | e6d7447 |
242054215 has 16 divisors (see below), whose sum is σ = 313135200. Its totient is φ = 178561152.
The previous prime is 242054209. The next prime is 242054237. The reversal of 242054215 is 512450242.
It is a cyclic number.
It is not a de Polignac number, because 242054215 - 23 = 242054207 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 242054215.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109996 + ... + 112174.
It is an arithmetic number, because the mean of its divisors is an integer number (19570950).
Almost surely, 2242054215 is an apocalyptic number.
242054215 is a deficient number, since it is larger than the sum of its proper divisors (71080985).
242054215 is a wasteful number, since it uses less digits than its factorization.
242054215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3906.
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 242054215 is about 15558.0916246177. The cubic root of 242054215 is about 623.2145008458.
The spelling of 242054215 in words is "two hundred forty-two million, fifty-four thousand, two hundred fifteen".
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