Base | Representation |
---|---|
bin | 1001000011100010… |
… | …0011111101101110 |
3 | 20021101212201022100 |
4 | 2100320203331232 |
5 | 14434232341403 |
6 | 1041111155530 |
7 | 114144001266 |
oct | 22070437556 |
9 | 6241781270 |
10 | 2430746478 |
11 | 1038102896 |
12 | 57a075ba6 |
13 | 2c9792634 |
14 | 190b847a6 |
15 | e35eb2a3 |
hex | 90e23f6e |
2430746478 has 12 divisors (see below), whose sum is σ = 5266617408. Its totient is φ = 810248820.
The previous prime is 2430746477. The next prime is 2430746489. The reversal of 2430746478 is 8746470342.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2430746471) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67520718 + ... + 67520753.
It is an arithmetic number, because the mean of its divisors is an integer number (438884784).
Almost surely, 22430746478 is an apocalyptic number.
2430746478 is an abundant number, since it is smaller than the sum of its proper divisors (2835870930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2430746478 is a wasteful number, since it uses less digits than its factorization.
2430746478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135041479 (or 135041476 counting only the distinct ones).
The product of its (nonzero) digits is 903168, while the sum is 45.
The square root of 2430746478 is about 49302.6011281352. The cubic root of 2430746478 is about 1344.5590753072.
The spelling of 2430746478 in words is "two billion, four hundred thirty million, seven hundred forty-six thousand, four hundred seventy-eight".
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