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68307346 = 234153673
BaseRepresentation
bin1000001001001…
…00100110010010
311202112101001201
410010210212102
5114441313341
610440021414
71456413532
oct404444622
9152471051
1068307346
1135615358
121aa6186a
13111c8263
1491014c2
155ee4331
hex4124992

68307346 has 4 divisors (see below), whose sum is σ = 102461022. Its totient is φ = 34153672.

The previous prime is 68307311. The next prime is 68307359. The reversal of 68307346 is 64370386.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42185025 + 26122321 = 6495^2 + 5111^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17076835 + ... + 17076838.

Almost surely, 268307346 is an apocalyptic number.

68307346 is a deficient number, since it is larger than the sum of its proper divisors (34153676).

68307346 is a wasteful number, since it uses less digits than its factorization.

68307346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34153675.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 68307346 is about 8264.8258299858. The cubic root of 68307346 is about 408.7795273990.

The spelling of 68307346 in words is "sixty-eight million, three hundred seven thousand, three hundred forty-six".

Divisors: 1 2 34153673 68307346