Base | Representation |
---|---|
bin | 111101010001101000000 |
3 | 10210000021122 |
4 | 13222031000 |
5 | 1003222442 |
6 | 111011412 |
7 | 23031566 |
oct | 7521500 |
9 | 3700248 |
10 | 2007872 |
11 | 11515a9 |
12 | 809b68 |
13 | 553bb9 |
14 | 3a3a36 |
15 | 299dd2 |
hex | 1ea340 |
2007872 has 28 divisors (see below), whose sum is σ = 4030980. Its totient is φ = 992256.
The previous prime is 2007871. The next prime is 2007881. The reversal of 2007872 is 2787002.
It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 430336 = 1256^2 + 656^2 .
It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2007871) 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, 8654 + ... + 8882.
22007872 is an apocalyptic number.
It is an amenable number.
2007872 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
2007872 is a wasteful number, since it uses less digits than its factorization.
2007872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 378 (or 368 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 26.
The square root of 2007872 is about 1416.9940013987. The cubic root of 2007872 is about 126.1571902285.
The spelling of 2007872 in words is "two million, seven thousand, eight hundred seventy-two".
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