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427886 = 2213943
BaseRepresentation
bin1101000011101101110
3210201221122
41220131232
5102143021
613100542
73431324
oct1503556
9721848
10427886
11272528
12187752
1311c9b4
14b1d14
1586bab
hex6876e

427886 has 4 divisors (see below), whose sum is σ = 641832. Its totient is φ = 213942.

The previous prime is 427883. The next prime is 427913. The reversal of 427886 is 688724.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427883) 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 as a sum of consecutive naturals, namely, 106970 + ... + 106973.

It is an arithmetic number, because the mean of its divisors is an integer number (160458).

2427886 is an apocalyptic number.

427886 is a deficient number, since it is larger than the sum of its proper divisors (213946).

427886 is a wasteful number, since it uses less digits than its factorization.

427886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213945.

The product of its digits is 21504, while the sum is 35.

The square root of 427886 is about 654.1299565071. The cubic root of 427886 is about 75.3545288903.

The spelling of 427886 in words is "four hundred twenty-seven thousand, eight hundred eighty-six".

Divisors: 1 2 213943 427886