Base | Representation |
---|---|
bin | 1010101011111000111110 |
3 | 12021022112200 |
4 | 22223320332 |
5 | 1204114324 |
6 | 140012330 |
7 | 32544543 |
oct | 12537076 |
9 | 5238480 |
10 | 2801214 |
11 | 1643659 |
12 | b310a6 |
13 | 771030 |
14 | 52cbca |
15 | 3a4ec9 |
hex | 2abe3e |
2801214 has 24 divisors (see below), whose sum is σ = 6536712. Its totient is φ = 861840.
The previous prime is 2801179. The next prime is 2801219. The reversal of 2801214 is 4121082.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2801219) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5752 + ... + 6219.
It is an arithmetic number, because the mean of its divisors is an integer number (272363).
22801214 is an apocalyptic number.
2801214 is an abundant number, since it is smaller than the sum of its proper divisors (3735498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2801214 is a wasteful number, since it uses less digits than its factorization.
2801214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11992 (or 11989 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 2801214 is about 1673.6827656399. The cubic root of 2801214 is about 140.9663417472.
Adding to 2801214 its reverse (4121082), we get a palindrome (6922296).
The spelling of 2801214 in words is "two million, eight hundred one thousand, two hundred fourteen".
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