Base | Representation |
---|---|
bin | 11100111101000… |
… | …01001110001011 |
3 | 121221000122200010 |
4 | 32132201032023 |
5 | 444134201134 |
6 | 40033443003 |
7 | 6006313044 |
oct | 1636411613 |
9 | 557018603 |
10 | 242881419 |
11 | 115111450 |
12 | 69410463 |
13 | 3b41c521 |
14 | 243858cb |
15 | 164c9ce9 |
hex | e7a138b |
242881419 has 16 divisors (see below), whose sum is σ = 353560320. Its totient is φ = 147084960.
The previous prime is 242881411. The next prime is 242881451. The reversal of 242881419 is 914188242.
It is not a de Polignac number, because 242881419 - 23 = 242881411 is a prime.
It is a super-2 number, since 2×2428814192 = 117982767390907122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (242881411) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60049 + ... + 63965.
It is an arithmetic number, because the mean of its divisors is an integer number (22097520).
Almost surely, 2242881419 is an apocalyptic number.
242881419 is a deficient number, since it is larger than the sum of its proper divisors (110678901).
242881419 is a wasteful number, since it uses less digits than its factorization.
242881419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5810.
The product of its digits is 36864, while the sum is 39.
The square root of 242881419 is about 15584.6533166446. The cubic root of 242881419 is about 623.9236248774.
The spelling of 242881419 in words is "two hundred forty-two million, eight hundred eighty-one thousand, four hundred nineteen".
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