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427110387 = 31112942739
BaseRepresentation
bin11001011101010…
…010111111110011
31002202200110022020
4121131102333303
51333320013022
6110214242523
713404243534
oct3135227763
91082613266
10427110387
111aa1023a0
12bb056443
136a644252
1440a2068b
152776b35c
hex19752ff3

427110387 has 8 divisors (see below), whose sum is σ = 621251520. Its totient is φ = 258854760.

The previous prime is 427110353. The next prime is 427110389. The reversal of 427110387 is 783011724.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427110387 - 27 = 427110259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 12942739 = 427110387 / (4 + 2 + 7 + 1 + 1 + 0 + 3 + 8 + 7).

It is not an unprimeable number, because it can be changed into a prime (427110389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6471337 + ... + 6471402.

It is an arithmetic number, because the mean of its divisors is an integer number (77656440).

Almost surely, 2427110387 is an apocalyptic number.

427110387 is a deficient number, since it is larger than the sum of its proper divisors (194141133).

427110387 is a wasteful number, since it uses less digits than its factorization.

427110387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12942753.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 427110387 is about 20666.6491478420. The cubic root of 427110387 is about 753.0897057018.

The spelling of 427110387 in words is "four hundred twenty-seven million, one hundred ten thousand, three hundred eighty-seven".

Divisors: 1 3 11 33 12942739 38828217 142370129 427110387