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427887 = 3247543
BaseRepresentation
bin1101000011101101111
3210201221200
41220131233
5102143022
613100543
73431325
oct1503557
9721850
10427887
11272529
12187753
1311c9b5
14b1d15
1586bac
hex6876f

427887 has 6 divisors (see below), whose sum is σ = 618072. Its totient is φ = 285252.

The previous prime is 427883. The next prime is 427913. The reversal of 427887 is 788724.

It is not a de Polignac number, because 427887 - 22 = 427883 is a prime.

427887 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427887.

It is not an unprimeable number, because it can be changed into a prime (427883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23763 + ... + 23780.

It is an arithmetic number, because the mean of its divisors is an integer number (103012).

2427887 is an apocalyptic number.

427887 is a deficient number, since it is larger than the sum of its proper divisors (190185).

427887 is a wasteful number, since it uses less digits than its factorization.

427887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47549 (or 47546 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 427887 is about 654.1307208808. The cubic root of 427887 is about 75.3545875932.

The spelling of 427887 in words is "four hundred twenty-seven thousand, eight hundred eighty-seven".

Divisors: 1 3 9 47543 142629 427887