Base | Representation |
---|---|
bin | 11100111011100… |
… | …01110100111111 |
3 | 121220122210101100 |
4 | 32131301310333 |
5 | 444111443140 |
6 | 40025344143 |
7 | 6004544064 |
oct | 1635616477 |
9 | 556583340 |
10 | 242687295 |
11 | 114a99614 |
12 | 69338053 |
13 | 3b382066 |
14 | 24334c6b |
15 | 1648c530 |
hex | e771d3f |
242687295 has 24 divisors (see below), whose sum is σ = 422034912. Its totient is φ = 129009600.
The previous prime is 242687293. The next prime is 242687309. The reversal of 242687295 is 592786242.
It is not a de Polignac number, because 242687295 - 21 = 242687293 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 242687295.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (242687293) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5325 + ... + 22665.
It is an arithmetic number, because the mean of its divisors is an integer number (17584788).
Almost surely, 2242687295 is an apocalyptic number.
242687295 is a deficient number, since it is larger than the sum of its proper divisors (179347617).
242687295 is a wasteful number, since it uses less digits than its factorization.
242687295 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17663 (or 17660 counting only the distinct ones).
The product of its digits is 483840, while the sum is 45.
The square root of 242687295 is about 15578.4240217039. The cubic root of 242687295 is about 623.7573560417.
The spelling of 242687295 in words is "two hundred forty-two million, six hundred eighty-seven thousand, two hundred ninety-five".
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