Base | Representation |
---|---|
bin | 10010010110011… |
… | …100000100000000 |
3 | 210110022111222200 |
4 | 102112130010000 |
5 | 1112303401000 |
6 | 50314433200 |
7 | 10425604002 |
oct | 2226340400 |
9 | 713274880 |
10 | 307872000 |
11 | 148870877 |
12 | 87132800 |
13 | 4ba25ba7 |
14 | 2cc62372 |
15 | 1c066500 |
hex | 1259c100 |
307872000 has 216 divisors, whose sum is σ = 1108849560. Its totient is φ = 82022400.
The previous prime is 307871969. The next prime is 307872001. The reversal of 307872000 is 278703.
It can be written as a sum of positive squares in 4 ways, for example, as 15872256 + 291999744 = 3984^2 + 17088^2 .
It is not an unprimeable number, because it can be changed into a prime (307872001) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 287466 + ... + 288534.
Almost surely, 2307872000 is an apocalyptic number.
307872000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 307872000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554424780).
307872000 is an abundant number, since it is smaller than the sum of its proper divisors (800977560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
307872000 is a wasteful number, since it uses less digits than its factorization.
307872000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1106 (or 1079 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 27.
The square root of 307872000 is about 17546.2816573769. The cubic root of 307872000 is about 675.2377763131.
It can be divided in two parts, 3078 and 72000, that added together give a triangular number (75078 = T387).
The spelling of 307872000 in words is "three hundred seven million, eight hundred seventy-two thousand".
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