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427936 = 2543311
BaseRepresentation
bin1101000011110100000
3210202000111
41220132200
5102143221
613101104
73431425
oct1503640
9722014
10427936
11272573
12187794
1311ca22
14b1d4c
1586be1
hex687a0

427936 has 24 divisors (see below), whose sum is σ = 864864. Its totient is φ = 208320.

The previous prime is 427919. The next prime is 427939. The reversal of 427936 is 639724.

It is a junction number, because it is equal to n+sod(n) for n = 427898 and 427907.

It is not an unprimeable number, because it can be changed into a prime (427939) by changing a digit.

427936 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1221 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2427936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432432).

427936 is an abundant number, since it is smaller than the sum of its proper divisors (436928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427936 is a wasteful number, since it uses less digits than its factorization.

427936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 356 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 427936 is about 654.1681740959. The cubic root of 427936 is about 75.3574639242.

The spelling of 427936 in words is "four hundred twenty-seven thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 32 43 86 172 311 344 622 688 1244 1376 2488 4976 9952 13373 26746 53492 106984 213968 427936