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68336856 = 23327135589
BaseRepresentation
bin1000001001010…
…11110011011000
311202120212112200
410010223303120
5114443234411
610440410200
71456565550
oct404536330
9152525480
1068336856
1135635545
121aa76960
1311208813
14910c160
155eece56
hex412bcd8

68336856 has 48 divisors (see below), whose sum is σ = 211520400. Its totient is φ = 19524672.

The previous prime is 68336839. The next prime is 68336867. The reversal of 68336856 is 65863386.

It is a congruent number.

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, 67291 + ... + 68298.

It is an arithmetic number, because the mean of its divisors is an integer number (4406675).

Almost surely, 268336856 is an apocalyptic number.

It is an amenable number.

68336856 is an abundant number, since it is smaller than the sum of its proper divisors (143183544).

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

68336856 is a wasteful number, since it uses less digits than its factorization.

68336856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135608 (or 135601 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 68336856 is about 8266.6109137905. The cubic root of 68336856 is about 408.8383856225.

It can be divided in two parts, 6833 and 6856, that added together give a square (13689 = 1172).

The spelling of 68336856 in words is "sixty-eight million, three hundred thirty-six thousand, eight hundred fifty-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 135589 271178 406767 542356 813534 949123 1084712 1220301 1627068 1898246 2440602 2847369 3254136 3796492 4881204 5694738 7592984 8542107 9762408 11389476 17084214 22778952 34168428 68336856