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68049208 = 2328130271
BaseRepresentation
bin1000000111001…
…01100100111000
311202001020222001
410003211210320
5114410033313
610430310344
71454260123
oct403454470
9152036861
1068049208
1135459417
121a9583b4
1311137906
1490753ba
155e92add
hex40e5938

68049208 has 16 divisors (see below), whose sum is σ = 128050560. Its totient is φ = 33902400.

The previous prime is 68049197. The next prime is 68049209. The reversal of 68049208 is 80294086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68049209) 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 3 ways as a sum of consecutive naturals, for example, 12888 + ... + 17383.

It is an arithmetic number, because the mean of its divisors is an integer number (8003160).

Almost surely, 268049208 is an apocalyptic number.

It is an amenable number.

68049208 is a deficient number, since it is larger than the sum of its proper divisors (60001352).

68049208 is a wasteful number, since it uses less digits than its factorization.

68049208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30558 (or 30554 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 68049208 is about 8249.1943849081. The cubic root of 68049208 is about 408.2639423758.

The spelling of 68049208 in words is "sixty-eight million, forty-nine thousand, two hundred eight".

Divisors: 1 2 4 8 281 562 1124 2248 30271 60542 121084 242168 8506151 17012302 34024604 68049208