Base | Representation |
---|---|
bin | 11100111110000… |
… | …01100111111110 |
3 | 121221021101201210 |
4 | 32133001213332 |
5 | 444202423032 |
6 | 40040345250 |
7 | 6010405020 |
oct | 1637014776 |
9 | 557241653 |
10 | 243014142 |
11 | 1151a2138 |
12 | 69475226 |
13 | 3b467a67 |
14 | 243bc010 |
15 | 165042cc |
hex | e7c19fe |
243014142 has 64 divisors (see below), whose sum is σ = 604915200. Its totient is φ = 63504000.
The previous prime is 243014141. The next prime is 243014143. The reversal of 243014142 is 241410342.
It is an interprime number because it is at equal distance from previous prime (243014141) and next prime (243014143).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (243014141) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17892 + ... + 28392.
It is an arithmetic number, because the mean of its divisors is an integer number (9451800).
Almost surely, 2243014142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 243014142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302457600).
243014142 is an abundant number, since it is smaller than the sum of its proper divisors (361901058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
243014142 is a wasteful number, since it uses less digits than its factorization.
243014142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10561.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 243014142 is about 15588.9108663819. The cubic root of 243014142 is about 624.0372522550.
Adding to 243014142 its reverse (241410342), we get a palindrome (484424484).
The spelling of 243014142 in words is "two hundred forty-three million, fourteen thousand, one hundred forty-two".
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