Base | Representation |
---|---|
bin | 1010000111111100011100 |
3 | 11222211120120 |
4 | 22013330130 |
5 | 1134411410 |
6 | 132514540 |
7 | 31362360 |
oct | 12077434 |
9 | 4884516 |
10 | 2653980 |
11 | 1552a7a |
12 | a7ba50 |
13 | 71c004 |
14 | 4d12a0 |
15 | 376570 |
hex | 287f1c |
2653980 has 96 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 591360.
The previous prime is 2653979. The next prime is 2653991. The reversal of 2653980 is 893562.
2653980 = T139 + T140 + ... + T264.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29776 + ... + 29864.
It is an arithmetic number, because the mean of its divisors is an integer number (90720).
22653980 is an apocalyptic number.
2653980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2653980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).
2653980 is an abundant number, since it is smaller than the sum of its proper divisors (6055140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2653980 is a wasteful number, since it uses less digits than its factorization.
2653980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179 (or 177 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 33.
The square root of 2653980 is about 1629.1040482425. The cubic root of 2653980 is about 138.4519941189.
The spelling of 2653980 in words is "two million, six hundred fifty-three thousand, nine hundred eighty".
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