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427888 = 2447569
BaseRepresentation
bin1101000011101110000
3210201221201
41220131300
5102143023
613100544
73431326
oct1503560
9721851
10427888
1127252a
12187754
1311c9b6
14b1d16
1586bad
hex68770

427888 has 20 divisors (see below), whose sum is σ = 848160. Its totient is φ = 209024.

The previous prime is 427883. The next prime is 427913. The reversal of 427888 is 888724.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (42408).

2427888 is an apocalyptic number.

It is an amenable number.

427888 is a deficient number, since it is larger than the sum of its proper divisors (420272).

427888 is a wasteful number, since it uses less digits than its factorization.

427888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 618 counting only the distinct ones).

The product of its digits is 28672, while the sum is 37.

The square root of 427888 is about 654.1314852535. The cubic root of 427888 is about 75.3546462960.

The spelling of 427888 in words is "four hundred twenty-seven thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 16 47 94 188 376 569 752 1138 2276 4552 9104 26743 53486 106972 213944 427888