Base | Representation |
---|---|
bin | 1010101011101000000011 |
3 | 12021021001120 |
4 | 22223220003 |
5 | 1204101011 |
6 | 140003323 |
7 | 32541435 |
oct | 12535003 |
9 | 5237046 |
10 | 2800131 |
11 | 1642864 |
12 | b30543 |
13 | 7706a9 |
14 | 52c655 |
15 | 3a4a06 |
hex | 2aba03 |
2800131 has 8 divisors (see below), whose sum is σ = 3789504. Its totient is φ = 1838760.
The previous prime is 2800103. The next prime is 2800139. The reversal of 2800131 is 1310082.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2800131 - 27 = 2800003 is a prime.
It is a super-2 number, since 2×28001312 = 15681467234322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2800131.
It is not an unprimeable number, because it can be changed into a prime (2800139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6765 + ... + 7166.
It is an arithmetic number, because the mean of its divisors is an integer number (473688).
22800131 is an apocalyptic number.
2800131 is a deficient number, since it is larger than the sum of its proper divisors (989373).
2800131 is a wasteful number, since it uses less digits than its factorization.
2800131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14001.
The product of its (nonzero) digits is 48, while the sum is 15.
The square root of 2800131 is about 1673.3591963473. The cubic root of 2800131 is about 140.9481726931.
The spelling of 2800131 in words is "two million, eight hundred thousand, one hundred thirty-one".
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