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68740600 = 23524183101
BaseRepresentation
bin1000001100011…
…10010111111000
311210100101101011
410012032113320
5120044144400
610453203304
71463166625
oct406162770
9153311334
1068740600
1135890915
121b030534
131131a516
1491b534c
15607c8ba
hex418e5f8

68740600 has 96 divisors (see below), whose sum is σ = 167333040. Its totient is φ = 26240000.

The previous prime is 68740591. The next prime is 68740601. The reversal of 68740600 is 604786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68740601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 680550 + ... + 680650.

Almost surely, 268740600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68740600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83666520).

68740600 is an abundant number, since it is smaller than the sum of its proper divisors (98592440).

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

68740600 is a wasteful number, since it uses less digits than its factorization.

68740600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 68740600 is about 8290.9951151837. The cubic root of 68740600 is about 409.6419638555.

The spelling of 68740600 in words is "sixty-eight million, seven hundred forty thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 83 100 101 164 166 200 202 205 328 332 404 410 415 505 664 808 820 830 1010 1025 1640 1660 2020 2050 2075 2525 3320 3403 4040 4100 4141 4150 5050 6806 8200 8282 8300 8383 10100 13612 16564 16600 16766 17015 20200 20705 27224 33128 33532 34030 41410 41915 67064 68060 82820 83830 85075 103525 136120 165640 167660 170150 207050 209575 335320 340300 343703 414100 419150 680600 687406 828200 838300 1374812 1676600 1718515 2749624 3437030 6874060 8592575 13748120 17185150 34370300 68740600