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68525859 = 3471972467
BaseRepresentation
bin1000001010110…
…01111100100011
311202221110210210
410011121330203
5120020311414
610444425203
71461313563
oct405317443
9152843723
1068525859
1135754546
121ab48203
131127385c
14915ada3
156038e59
hex4159f23

68525859 has 16 divisors (see below), whose sum is σ = 93823488. Its totient is φ = 44466912.

The previous prime is 68525857. The next prime is 68525881. The reversal of 68525859 is 95852586.

It is not a de Polignac number, because 68525859 - 21 = 68525857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68525857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26544 + ... + 29010.

It is an arithmetic number, because the mean of its divisors is an integer number (5863968).

Almost surely, 268525859 is an apocalyptic number.

68525859 is a deficient number, since it is larger than the sum of its proper divisors (25297629).

68525859 is a wasteful number, since it uses less digits than its factorization.

68525859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714.

The product of its digits is 864000, while the sum is 48.

The square root of 68525859 is about 8278.0347305384. The cubic root of 68525859 is about 409.2149542708.

The spelling of 68525859 in words is "sixty-eight million, five hundred twenty-five thousand, eight hundred fifty-nine".

Divisors: 1 3 47 141 197 591 2467 7401 9259 27777 115949 347847 485999 1457997 22841953 68525859