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68425689 = 332037121
BaseRepresentation
bin1000001010000…
…01011111011001
311202202101101210
410011001133121
5120004110224
610442333333
71460415543
oct405013731
9152671353
1068425689
1135696262
121aaba249
131123a097
149132693
156019429
hex41417d9

68425689 has 8 divisors (see below), whose sum is σ = 91275552. Its totient is φ = 45596480.

The previous prime is 68425661. The next prime is 68425699. The reversal of 68425689 is 98652486.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68425689 - 25 = 68425657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68425619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6049 + ... + 13169.

It is an arithmetic number, because the mean of its divisors is an integer number (11409444).

Almost surely, 268425689 is an apocalyptic number.

It is an amenable number.

68425689 is a deficient number, since it is larger than the sum of its proper divisors (22849863).

68425689 is a wasteful number, since it uses less digits than its factorization.

68425689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10327.

The product of its digits is 829440, while the sum is 48.

The square root of 68425689 is about 8271.9821687429. The cubic root of 68425689 is about 409.0154624188.

The spelling of 68425689 in words is "sixty-eight million, four hundred twenty-five thousand, six hundred eighty-nine".

Divisors: 1 3 3203 7121 9609 21363 22808563 68425689