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68285156 = 2249934211
BaseRepresentation
bin1000001000111…
…11001011100100
311202111020121212
410010133023210
5114440111111
610435330552
71456262042
oct404371344
9152436555
1068285156
11355aa715
121aa50a58
13111bb124
1490d7392
155edc98b
hex411f2e4

68285156 has 12 divisors (see below), whose sum is σ = 119742000. Its totient is φ = 34073160.

The previous prime is 68285143. The next prime is 68285167. The reversal of 68285156 is 65158286.

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, 15110 + ... + 19101.

It is an arithmetic number, because the mean of its divisors is an integer number (9978500).

Almost surely, 268285156 is an apocalyptic number.

It is an amenable number.

68285156 is a deficient number, since it is larger than the sum of its proper divisors (51456844).

68285156 is a wasteful number, since it uses less digits than its factorization.

68285156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34714 (or 34712 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 68285156 is about 8263.4832849108. The cubic root of 68285156 is about 408.7352578797.

The spelling of 68285156 in words is "sixty-eight million, two hundred eighty-five thousand, one hundred fifty-six".

Divisors: 1 2 4 499 998 1996 34211 68422 136844 17071289 34142578 68285156