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68866203 = 3719172597
BaseRepresentation
bin1000001101011…
…01000010011011
311210120202200010
410012231002123
5120112204303
610500013003
71464232050
oct406550233
9153522603
1068866203
113596721a
121b091163
1311362743
149209027
1560a4c03
hex41ad09b

68866203 has 16 divisors (see below), whose sum is σ = 110462720. Its totient is φ = 37280736.

The previous prime is 68866181. The next prime is 68866219. The reversal of 68866203 is 30266886.

It is not a de Polignac number, because 68866203 - 214 = 68849819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68866243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85900 + ... + 86697.

It is an arithmetic number, because the mean of its divisors is an integer number (6903920).

Almost surely, 268866203 is an apocalyptic number.

68866203 is a deficient number, since it is larger than the sum of its proper divisors (41596517).

68866203 is a wasteful number, since it uses less digits than its factorization.

68866203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172626.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68866203 is about 8298.5663219619. The cubic root of 68866203 is about 409.8913116619.

The spelling of 68866203 in words is "sixty-eight million, eight hundred sixty-six thousand, two hundred three".

Divisors: 1 3 7 19 21 57 133 399 172597 517791 1208179 3279343 3624537 9838029 22955401 68866203