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68625593 = 4712711497
BaseRepresentation
bin1000001011100…
…10010010111001
311210010112121122
410011302102321
5120032004333
610450515025
71462210421
oct405622271
9153115548
1068625593
1135812473
121ab95a75
13112aa07a
149185481
156058798
hex41724b9

68625593 has 8 divisors (see below), whose sum is σ = 70643712. Its totient is φ = 66630816.

The previous prime is 68625577. The next prime is 68625611. The reversal of 68625593 is 39552686.

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 68625593 - 24 = 68625577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68625503) 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, 221 + ... + 11717.

It is an arithmetic number, because the mean of its divisors is an integer number (8830464).

Almost surely, 268625593 is an apocalyptic number.

It is an amenable number.

68625593 is a deficient number, since it is larger than the sum of its proper divisors (2018119).

68625593 is a wasteful number, since it uses less digits than its factorization.

68625593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11671.

The product of its digits is 388800, while the sum is 44.

The square root of 68625593 is about 8284.0565546114. The cubic root of 68625593 is about 409.4133847659.

The spelling of 68625593 in words is "sixty-eight million, six hundred twenty-five thousand, five hundred ninety-three".

Divisors: 1 47 127 5969 11497 540359 1460119 68625593