Base | Representation |
---|---|
bin | 111111011111101000100 |
3 | 10220201000112 |
4 | 13323331010 |
5 | 1013034310 |
6 | 112332152 |
7 | 23453555 |
oct | 7737504 |
9 | 3821015 |
10 | 2080580 |
11 | 11a1197 |
12 | 844058 |
13 | 57b018 |
14 | 3c232c |
15 | 2b1705 |
hex | 1fbf44 |
2080580 has 24 divisors (see below), whose sum is σ = 4560192. Its totient is φ = 795872.
The previous prime is 2080577. The next prime is 2080591. The reversal of 2080580 is 850802.
It is a super-3 number, since 3×20805803 = 27019326105993336000, which contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802 + ... + 2721.
It is an arithmetic number, because the mean of its divisors is an integer number (190008).
22080580 is an apocalyptic number.
2080580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2080580 is an abundant number, since it is smaller than the sum of its proper divisors (2479612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2080580 is a wasteful number, since it uses less digits than its factorization.
2080580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4555 (or 4553 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 23.
The square root of 2080580 is about 1442.4215749912. The cubic root of 2080580 is about 127.6619497864.
It can be divided in two parts, 20805 and 80, that multiplied together give a triangular number (1664400 = T1824).
The spelling of 2080580 in words is "two million, eighty thousand, five hundred eighty".
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