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68497027 = 371851271
BaseRepresentation
bin1000001010100…
…10111010000011
311202220000020221
410011102322003
5120013401102
610444043511
71461133534
oct405227203
9152800227
1068497027
1135734915
121ab33597
13112636b1
14915068b
156030637
hex4152e83

68497027 has 4 divisors (see below), whose sum is σ = 70348336. Its totient is φ = 66645720.

The previous prime is 68497021. The next prime is 68497057. The reversal of 68497027 is 72079486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68497027 - 215 = 68464259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68497021) 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 3 ways as a sum of consecutive naturals, for example, 925599 + ... + 925672.

It is an arithmetic number, because the mean of its divisors is an integer number (17587084).

Almost surely, 268497027 is an apocalyptic number.

68497027 is a deficient number, since it is larger than the sum of its proper divisors (1851309).

68497027 is a wasteful number, since it uses less digits than its factorization.

68497027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851308.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 68497027 is about 8276.2930711762. The cubic root of 68497027 is about 409.1575543304.

The spelling of 68497027 in words is "sixty-eight million, four hundred ninety-seven thousand, twenty-seven".

Divisors: 1 37 1851271 68497027