Base | Representation |
---|---|
bin | 1011001101110001001100 |
3 | 12112100220011 |
4 | 23031301030 |
5 | 1223034410 |
6 | 143003004 |
7 | 33663241 |
oct | 13156114 |
9 | 5470804 |
10 | 2939980 |
11 | 172893a |
12 | b99464 |
13 | 7bc244 |
14 | 5675c8 |
15 | 3d118a |
hex | 2cdc4c |
2939980 has 24 divisors (see below), whose sum is σ = 6537888. Its totient is φ = 1106688.
The previous prime is 2939977. The next prime is 2939999. The reversal of 2939980 is 899392.
It is a happy number.
2939980 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3984 + ... + 4663.
It is an arithmetic number, because the mean of its divisors is an integer number (272412).
22939980 is an apocalyptic number.
2939980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2939980 is an abundant number, since it is smaller than the sum of its proper divisors (3597908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2939980 is a wasteful number, since it uses less digits than its factorization.
2939980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8673 (or 8671 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 40.
The square root of 2939980 is about 1714.6369878199. The cubic root of 2939980 is about 143.2566502866.
The spelling of 2939980 in words is "two million, nine hundred thirty-nine thousand, nine hundred eighty".
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