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427328 = 2611607
BaseRepresentation
bin1101000010101000000
3210201011222
41220111000
5102133303
613054212
73426566
oct1502500
9721158
10427328
11272070
12187368
1311c675
14b1a36
1586938
hex68540

427328 has 28 divisors (see below), whose sum is σ = 926592. Its totient is φ = 193920.

The previous prime is 427327. The next prime is 427333. The reversal of 427328 is 823724.

It is a junction number, because it is equal to n+sod(n) for n = 427297 and 427306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427327) 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, 401 + ... + 1007.

2427328 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 427328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463296).

427328 is an abundant number, since it is smaller than the sum of its proper divisors (499264).

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

427328 is a wasteful number, since it uses less digits than its factorization.

427328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 620 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 427328 is about 653.7032966109. The cubic root of 427328 is about 75.3217583873.

The spelling of 427328 in words is "four hundred twenty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 176 352 607 704 1214 2428 4856 6677 9712 13354 19424 26708 38848 53416 106832 213664 427328