Base | Representation |
---|---|
bin | 111101000001000… |
… | …1101100110111100 |
3 | 12021200112201022201 |
4 | 1322002031212330 |
5 | 13143113303010 |
6 | 535054521244 |
7 | 101510421214 |
oct | 17202154674 |
9 | 5250481281 |
10 | 2047400380 |
11 | 960782233 |
12 | 491806224 |
13 | 26823241c |
14 | 155cb7244 |
15 | beb2723a |
hex | 7a08d9bc |
2047400380 has 12 divisors (see below), whose sum is σ = 4299540840. Its totient is φ = 818960144.
The previous prime is 2047400351. The next prime is 2047400387. The reversal of 2047400380 is 830047402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2047400387) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51184990 + ... + 51185029.
It is an arithmetic number, because the mean of its divisors is an integer number (358295070).
Almost surely, 22047400380 is an apocalyptic number.
2047400380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2047400380 is an abundant number, since it is smaller than the sum of its proper divisors (2252140460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2047400380 is a wasteful number, since it uses less digits than its factorization.
2047400380 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102370028 (or 102370026 counting only the distinct ones).
The product of its (nonzero) digits is 5376, while the sum is 28.
The square root of 2047400380 is about 45248.2085833240. The cubic root of 2047400380 is about 1269.7968923131.
Adding to 2047400380 its reverse (830047402), we get a palindrome (2877447782).
The spelling of 2047400380 in words is "two billion, forty-seven million, four hundred thousand, three hundred eighty".
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