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68705322 = 23712792
BaseRepresentation
bin1000001100001…
…01110000101010
311210021120222120
410012011300222
5120042032242
610452332110
71462662030
oct406056052
9153246876
1068705322
1135867364
121b014036
131130744a
1491a6550
1560721ec
hex4185c2a

68705322 has 24 divisors (see below), whose sum is σ = 157163616. Its totient is φ = 19614744.

The previous prime is 68705309. The next prime is 68705327. The reversal of 68705322 is 22350786.

It is a super-2 number, since 2×687053222 = 9440842542247368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68705327) 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, 53079 + ... + 54357.

It is an arithmetic number, because the mean of its divisors is an integer number (6548484).

Almost surely, 268705322 is an apocalyptic number.

68705322 is an abundant number, since it is smaller than the sum of its proper divisors (88458294).

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

68705322 is an equidigital number, since it uses as much as digits as its factorization.

68705322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 68705322 is about 8288.8673532637. The cubic root of 68705322 is about 409.5718751352.

The spelling of 68705322 in words is "sixty-eight million, seven hundred five thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 1279 2558 3837 7674 8953 17906 26859 53718 1635841 3271682 4907523 9815046 11450887 22901774 34352661 68705322