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2068442000 = 24531034221
BaseRepresentation
bin111101101001001…
…1110101110010000
312100011010201222222
41323102132232100
513214010121000
6541125520212
7102154316102
oct17322365620
95304121888
102068442000
119716440a9
12498873068
1326c6bb9a1
141589d3572
15c18d1a85
hex7b49eb90

2068442000 has 40 divisors (see below), whose sum is σ = 5001497592. Its totient is φ = 827376000.

The previous prime is 2068441993. The next prime is 2068442009. The reversal of 2068442000 is 2448602.

It can be written as a sum of positive squares in 4 ways, for example, as 10549504 + 2057892496 = 3248^2 + 45364^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2068442009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515111 + ... + 519110.

Almost surely, 22068442000 is an apocalyptic number.

2068442000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2068442000 is an abundant number, since it is smaller than the sum of its proper divisors (2933055592).

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

2068442000 is a wasteful number, since it uses less digits than its factorization.

2068442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034244 (or 1034228 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2068442000 is about 45480.1275284052. The cubic root of 2068442000 is about 1274.1320762401.

The spelling of 2068442000 in words is "two billion, sixty-eight million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 1000 2000 1034221 2068442 4136884 5171105 8273768 10342210 16547536 20684420 25855525 41368840 51711050 82737680 103422100 129277625 206844200 258555250 413688400 517110500 1034221000 2068442000