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68108600 = 2352748649
BaseRepresentation
bin1000000111101…
…00000100111000
311202011021102202
410003310010320
5114413433400
610431445332
71454625230
oct403640470
9152137382
1068108600
1135499aaa
121a986848
1311158961
14908ccc0
155ea54d5
hex40f4138

68108600 has 48 divisors (see below), whose sum is σ = 180978000. Its totient is φ = 23351040.

The previous prime is 68108587. The next prime is 68108609. The reversal of 68108600 is 680186.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68108609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22925 + ... + 25724.

It is an arithmetic number, because the mean of its divisors is an integer number (3770375).

Almost surely, 268108600 is an apocalyptic number.

It is an amenable number.

68108600 is an abundant number, since it is smaller than the sum of its proper divisors (112869400).

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

68108600 is a wasteful number, since it uses less digits than its factorization.

68108600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48672 (or 48663 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 68108600 is about 8252.7934664573. The cubic root of 68108600 is about 408.3826827301.

Adding to 68108600 its reverse (680186), we get a palindrome (68788786).

The spelling of 68108600 in words is "sixty-eight million, one hundred eight thousand, six hundred".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 140 175 200 280 350 700 1400 48649 97298 194596 243245 340543 389192 486490 681086 972980 1216225 1362172 1702715 1945960 2432450 2724344 3405430 4864900 6810860 8513575 9729800 13621720 17027150 34054300 68108600