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67842000 = 2432533769
BaseRepresentation
bin1000000101100…
…10111111010000
311201122201201200
410002302333100
5114331421000
610422031200
71452435042
oct402627720
9151581650
1067842000
1135327776
121a878500
13110944c5
14901da92
155e51500
hex40b2fd0

67842000 has 120 divisors (see below), whose sum is σ = 237012360. Its totient is φ = 18086400.

The previous prime is 67841999. The next prime is 67842013. The reversal of 67842000 is 24876.

It can be written as a sum of positive squares in 4 ways, for example, as 76176 + 67765824 = 276^2 + 8232^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16116 + ... + 19884.

It is an arithmetic number, because the mean of its divisors is an integer number (1975103).

Almost surely, 267842000 is an apocalyptic number.

67842000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67842000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118506180).

67842000 is an abundant number, since it is smaller than the sum of its proper divisors (169170360).

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

67842000 is a wasteful number, since it uses less digits than its factorization.

67842000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3798 (or 3779 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 67842000 is about 8236.6255226276. The cubic root of 67842000 is about 407.8491368415.

Adding to 67842000 its reverse (24876), we get a palindrome (67866876).

The spelling of 67842000 in words is "sixty-seven million, eight hundred forty-two thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 90 100 120 125 144 150 180 200 225 240 250 300 360 375 400 450 500 600 720 750 900 1000 1125 1200 1500 1800 2000 2250 3000 3600 3769 4500 6000 7538 9000 11307 15076 18000 18845 22614 30152 33921 37690 45228 56535 60304 67842 75380 90456 94225 113070 135684 150760 169605 180912 188450 226140 271368 282675 301520 339210 376900 452280 471125 542736 565350 678420 753800 848025 904560 942250 1130700 1356840 1413375 1507600 1696050 1884500 2261400 2713680 2826750 3392100 3769000 4240125 4522800 5653500 6784200 7538000 8480250 11307000 13568400 16960500 22614000 33921000 67842000