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68283976 = 23107241331
BaseRepresentation
bin1000001000111…
…10111001001000
311202111012000011
410010132321020
5114440041401
610435321304
71456255435
oct404367110
9152435004
1068283976
11355a9842
121aa50234
13111ba727
1490d6b8c
155edc451
hex411ee48

68283976 has 32 divisors (see below), whose sum is σ = 130157280. Its totient is φ = 33580800.

The previous prime is 68283959. The next prime is 68283977. The reversal of 68283976 is 67938286.

It is not an unprimeable number, because it can be changed into a prime (68283977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206131 + ... + 206461.

It is an arithmetic number, because the mean of its divisors is an integer number (4067415).

Almost surely, 268283976 is an apocalyptic number.

It is an amenable number.

68283976 is a deficient number, since it is larger than the sum of its proper divisors (61873304).

68283976 is a wasteful number, since it uses less digits than its factorization.

68283976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 681 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 68283976 is about 8263.4118861400. The cubic root of 68283976 is about 408.7329034862.

The spelling of 68283976 in words is "sixty-eight million, two hundred eighty-three thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 107 214 241 331 428 482 662 856 964 1324 1928 2648 25787 35417 51574 70834 79771 103148 141668 159542 206296 283336 319084 638168 8535497 17070994 34141988 68283976