Base | Representation |
---|---|
bin | 1010111101111001111000 |
3 | 12102001202111 |
4 | 22331321320 |
5 | 1214000000 |
6 | 141342104 |
7 | 33302632 |
oct | 12757170 |
9 | 5361674 |
10 | 2875000 |
11 | 1694037 |
12 | b67934 |
13 | 7987ab |
14 | 54ba52 |
15 | 3bbcba |
hex | 2bde78 |
2875000 has 56 divisors (see below), whose sum is σ = 7031160. Its totient is φ = 1100000.
The previous prime is 2874979. The next prime is 2875001. The reversal of 2875000 is 5782.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2875001) by changing a digit.
It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 124989 + ... + 125011.
22875000 is an apocalyptic number.
2875000 is a gapful number since it is divisible by the number (20) 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 2875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3515580).
2875000 is an abundant number, since it is smaller than the sum of its proper divisors (4156160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2875000 is an frugal number, since it uses more digits than its factorization.
2875000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59 (or 30 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 22.
The square root of 2875000 is about 1695.5824957813. The cubic root of 2875000 is about 142.1933489926.
The spelling of 2875000 in words is "two million, eight hundred seventy-five thousand".
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