Base | Representation |
---|---|
bin | 11100111110000… |
… | …01110110001110 |
3 | 121221021102222120 |
4 | 32133001312032 |
5 | 444202440204 |
6 | 40040353410 |
7 | 6010410462 |
oct | 1637016616 |
9 | 557242876 |
10 | 243015054 |
11 | 1151a2897 |
12 | 69475866 |
13 | 3b4682b9 |
14 | 243bc4a2 |
15 | 165046d9 |
hex | e7c1d8e |
243015054 has 32 divisors (see below), whose sum is σ = 514512000. Its totient is φ = 76306464.
The previous prime is 243015043. The next prime is 243015103. The reversal of 243015054 is 450510342.
It is a Curzon number.
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, 14452 + ... + 26360.
It is an arithmetic number, because the mean of its divisors is an integer number (16078500).
Almost surely, 2243015054 is an apocalyptic number.
243015054 is an abundant number, since it is smaller than the sum of its proper divisors (271496946).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243015054 is a wasteful number, since it uses less digits than its factorization.
243015054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12112.
The product of its (nonzero) digits is 2400, while the sum is 24.
The square root of 243015054 is about 15588.9401179169. The cubic root of 243015054 is about 624.0380328972.
Adding to 243015054 its reverse (450510342), we get a palindrome (693525396).
It can be divided in two parts, 2430150 and 54, that multiplied together give a triangular number (131228100 = T16200).
The spelling of 243015054 in words is "two hundred forty-three million, fifteen thousand, fifty-four".
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