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427127507 = 10319872087
BaseRepresentation
bin11001011101010…
…111001011010011
31002202201022210022
4121131113023103
51333321040012
6110214454055
713404344462
oct3135271323
91082638708
10427127507
111aa114244
12bb06432b
136a64bc91
1440a269d9
1527771472
hex197572d3

427127507 has 8 divisors (see below), whose sum is σ = 431698176. Its totient is φ = 422565192.

The previous prime is 427127501. The next prime is 427127521. The reversal of 427127507 is 705721724.

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 427127507 - 28 = 427127251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427127501) 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 7 ways as a sum of consecutive naturals, for example, 203618 + ... + 205704.

It is an arithmetic number, because the mean of its divisors is an integer number (53962272).

Almost surely, 2427127507 is an apocalyptic number.

427127507 is a deficient number, since it is larger than the sum of its proper divisors (4570669).

427127507 is a wasteful number, since it uses less digits than its factorization.

427127507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4177.

The product of its (nonzero) digits is 27440, while the sum is 35.

The square root of 427127507 is about 20667.0633375910. The cubic root of 427127507 is about 753.0997676779.

The spelling of 427127507 in words is "four hundred twenty-seven million, one hundred twenty-seven thousand, five hundred seven".

Divisors: 1 103 1987 2087 204661 214961 4146869 427127507