Base | Representation |
---|---|
bin | 1011010001101111010000 |
3 | 12120012012101 |
4 | 23101233100 |
5 | 1224044430 |
6 | 143210144 |
7 | 34061530 |
oct | 13215720 |
9 | 5505171 |
10 | 2956240 |
11 | 173a081 |
12 | ba6954 |
13 | 7c6771 |
14 | 56d4c0 |
15 | 3d5dca |
hex | 2d1bd0 |
2956240 has 40 divisors (see below), whose sum is σ = 7856640. Its totient is φ = 1013376.
The previous prime is 2956237. The next prime is 2956297. The reversal of 2956240 is 426592.
2956240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (28).
It is an Ulam number.
It is a junction number, because it is equal to n+sod(n) for n = 2956199 and 2956208.
It is a congruent number.
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, 2080 + ... + 3199.
It is an arithmetic number, because the mean of its divisors is an integer number (196416).
22956240 is an apocalyptic number.
2956240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2956240 is an abundant number, since it is smaller than the sum of its proper divisors (4900400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2956240 is a wasteful number, since it uses less digits than its factorization.
2956240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5299 (or 5293 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 28.
The square root of 2956240 is about 1719.3719783688. The cubic root of 2956240 is about 143.5202656855.
The spelling of 2956240 in words is "two million, nine hundred fifty-six thousand, two hundred forty".
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