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2290390800 = 243521908659
BaseRepresentation
bin1000100010000100…
…1001011100010000
312220121202220111220
42020201021130100
514142320001200
61015135005040
7110521000125
oct21041113420
95817686456
102290390800
11a75958565
1253b069780
132a668c439
1417a28a74c
15d61244a0
hex88849710

2290390800 has 60 divisors (see below), whose sum is σ = 7336889040. Its totient is φ = 610770560.

The previous prime is 2290390799. The next prime is 2290390811. The reversal of 2290390800 is 80930922.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 953130 + ... + 955529.

It is an arithmetic number, because the mean of its divisors is an integer number (122281484).

Almost surely, 22290390800 is an apocalyptic number.

2290390800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2290390800 is an abundant number, since it is smaller than the sum of its proper divisors (5046498240).

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

2290390800 is a wasteful number, since it uses less digits than its factorization.

2290390800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908680 (or 1908669 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2290390800 is about 47858.0275397973. The cubic root of 2290390800 is about 1318.1652655004.

The spelling of 2290390800 in words is "two billion, two hundred ninety million, three hundred ninety thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 150 200 240 300 400 600 1200 1908659 3817318 5725977 7634636 9543295 11451954 15269272 19086590 22903908 28629885 30538544 38173180 45807816 47716475 57259770 76346360 91615632 95432950 114519540 143149425 152692720 190865900 229039080 286298850 381731800 458078160 572597700 763463600 1145195400 2290390800