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65074427 = 115915857
BaseRepresentation
bin1111100000111…
…1010011111011
311112110010022222
43320033103323
5113124340202
610242434255
71420060235
oct370172373
9145403288
1065074427
1133807420
121996298b
13106358a2
1488dd255
155aa64a2
hex3e0f4fb

65074427 has 4 divisors (see below), whose sum is σ = 70990296. Its totient is φ = 59158560.

The previous prime is 65074423. The next prime is 65074441. The reversal of 65074427 is 72447056.

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 65074427 - 22 = 65074423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65074423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957918 + ... + 2957939.

It is an arithmetic number, because the mean of its divisors is an integer number (17747574).

Almost surely, 265074427 is an apocalyptic number.

65074427 is a deficient number, since it is larger than the sum of its proper divisors (5915869).

65074427 is a wasteful number, since it uses less digits than its factorization.

65074427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915868.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 65074427 is about 8066.8721943514. The cubic root of 65074427 is about 402.2259791469.

The spelling of 65074427 in words is "sixty-five million, seventy-four thousand, four hundred twenty-seven".

Divisors: 1 11 5915857 65074427