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2080840 = 23552021
BaseRepresentation
bin111111100000001001000
310220201101011
413330001020
51013041330
6112333304
723454406
oct7740110
93821334
102080840
1111a1403
12844234
1357b188
143c2476
152b182a
hex1fc048

2080840 has 16 divisors (see below), whose sum is σ = 4681980. Its totient is φ = 832320.

The previous prime is 2080807. The next prime is 2080847. The reversal of 2080840 is 480802.

It can be written as a sum of positive squares in 2 ways, for example, as 2067844 + 12996 = 1438^2 + 114^2 .

It is not an unprimeable number, because it can be changed into a prime (2080847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25971 + ... + 26050.

22080840 is an apocalyptic number.

2080840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2080840 is an abundant number, since it is smaller than the sum of its proper divisors (2601140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2080840 is a wasteful number, since it uses less digits than its factorization.

2080840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52032 (or 52028 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 2080840 is about 1442.5116983928. The cubic root of 2080840 is about 127.6672673300.

The spelling of 2080840 in words is "two million, eighty thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 52021 104042 208084 260105 416168 520210 1040420 2080840