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68250259 = 711886367
BaseRepresentation
bin1000001000101…
…10101010010011
311202102110202101
410010112222103
5114433002014
610434501231
71456055230
oct404265223
9152373671
1068250259
1135586480
121aa34817
13111a828c
1490c8787
155ed2474
hex4116a93

68250259 has 8 divisors (see below), whose sum is σ = 85091328. Its totient is φ = 53181960.

The previous prime is 68250191. The next prime is 68250293. The reversal of 68250259 is 95205286.

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 68250259 - 215 = 68217491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68254259) 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 7 ways as a sum of consecutive naturals, for example, 443107 + ... + 443260.

It is an arithmetic number, because the mean of its divisors is an integer number (10636416).

Almost surely, 268250259 is an apocalyptic number.

68250259 is a deficient number, since it is larger than the sum of its proper divisors (16841069).

68250259 is a wasteful number, since it uses less digits than its factorization.

68250259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886385.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 68250259 is about 8261.3714963074. The cubic root of 68250259 is about 408.6656182214.

The spelling of 68250259 in words is "sixty-eight million, two hundred fifty thousand, two hundred fifty-nine".

Divisors: 1 7 11 77 886367 6204569 9750037 68250259