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68715852 = 2235726321
BaseRepresentation
bin1000001100010…
…00010101001100
311210022010102120
410012020111030
5120042401402
610452452540
71463034522
oct406102514
9153263376
1068715852
1135874267
121b01a150
131130c18a
1491aa312
1560753bc
hex418854c

68715852 has 12 divisors (see below), whose sum is σ = 160337016. Its totient is φ = 22905280.

The previous prime is 68715733. The next prime is 68715869. The reversal of 68715852 is 25851786.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2863149 + ... + 2863172.

It is an arithmetic number, because the mean of its divisors is an integer number (13361418).

Almost surely, 268715852 is an apocalyptic number.

It is an amenable number.

68715852 is an abundant number, since it is smaller than the sum of its proper divisors (91621164).

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

68715852 is a wasteful number, since it uses less digits than its factorization.

68715852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5726328 (or 5726326 counting only the distinct ones).

The product of its digits is 134400, while the sum is 42.

The square root of 68715852 is about 8289.5025182456. The cubic root of 68715852 is about 409.5927981700.

The spelling of 68715852 in words is "sixty-eight million, seven hundred fifteen thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 12 5726321 11452642 17178963 22905284 34357926 68715852