Base | Representation |
---|---|
bin | 1001100110101111011100 |
3 | 11201221000112 |
4 | 21212233130 |
5 | 1121033410 |
6 | 125545152 |
7 | 30255023 |
oct | 11465734 |
9 | 4657015 |
10 | 2517980 |
11 | 146a883 |
12 | a151b8 |
13 | 6a213a |
14 | 4978ba |
15 | 34b105 |
hex | 266bdc |
2517980 has 12 divisors (see below), whose sum is σ = 5287800. Its totient is φ = 1007184.
The previous prime is 2517959. The next prime is 2518003. The reversal of 2517980 is 897152.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62930 + ... + 62969.
It is an arithmetic number, because the mean of its divisors is an integer number (440650).
22517980 is an apocalyptic number.
2517980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2517980 is an abundant number, since it is smaller than the sum of its proper divisors (2769820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2517980 is a wasteful number, since it uses less digits than its factorization.
2517980 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125908 (or 125906 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 32.
The square root of 2517980 is about 1586.8144188909. The cubic root of 2517980 is about 136.0454721071.
The spelling of 2517980 in words is "two million, five hundred seventeen thousand, nine hundred eighty".
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