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2043200420 = 225176009413
BaseRepresentation
bin111100111001000…
…1100001110100100
312021101122100001122
41321302030032210
513141024403140
6534424513112
7101426626352
oct17162141644
95241570048
102043200420
11959373798
1249031b798
132673c1841
141555027d2
15be597ab5
hex79c8c3a4

2043200420 has 24 divisors (see below), whose sum is σ = 4543116984. Its totient is φ = 769204736.

The previous prime is 2043200413. The next prime is 2043200447. The reversal of 2043200420 is 240023402.

It can be written as a sum of positive squares in 4 ways, for example, as 570636544 + 1472563876 = 23888^2 + 38374^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 3004367 + ... + 3005046.

It is an arithmetic number, because the mean of its divisors is an integer number (189296541).

Almost surely, 22043200420 is an apocalyptic number.

2043200420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043200420 is an abundant number, since it is smaller than the sum of its proper divisors (2499916564).

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

2043200420 is a wasteful number, since it uses less digits than its factorization.

2043200420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009439 (or 6009437 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2043200420 is about 45201.7745226888. The cubic root of 2043200420 is about 1268.9280267550.

Adding to 2043200420 its reverse (240023402), we get a palindrome (2283223822).

The spelling of 2043200420 in words is "two billion, forty-three million, two hundred thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 6009413 12018826 24037652 30047065 60094130 102160021 120188260 204320042 408640084 510800105 1021600210 2043200420