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68383425 = 3521182889
BaseRepresentation
bin1000001001101…
…11001011000001
311202200020102110
410010313023001
5120001232200
610441405533
71460151405
oct404671301
9152606373
1068383425
1135667530
121aa998a9
1311223a86
149121105
15600bb50
hex41372c1

68383425 has 24 divisors (see below), whose sum is σ = 123340320. Its totient is φ = 33155200.

The previous prime is 68383423. The next prime is 68383453. The reversal of 68383425 is 52438386.

It is not a de Polignac number, because 68383425 - 21 = 68383423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68383423) 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 23 ways as a sum of consecutive naturals, for example, 40620 + ... + 42269.

It is an arithmetic number, because the mean of its divisors is an integer number (5139180).

Almost surely, 268383425 is an apocalyptic number.

It is an amenable number.

68383425 is a deficient number, since it is larger than the sum of its proper divisors (54956895).

68383425 is a wasteful number, since it uses less digits than its factorization.

68383425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82913 (or 82908 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 68383425 is about 8269.4271264701. The cubic root of 68383425 is about 408.9312338682.

The spelling of 68383425 in words is "sixty-eight million, three hundred eighty-three thousand, four hundred twenty-five".