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422892 = 223217691
BaseRepresentation
bin1100111001111101100
3210111002200
41213033230
5102013032
613021500
73410631
oct1471754
9714080
10422892
112697a8
12184890
1311a642
14b0188
158547c
hex673ec

422892 has 36 divisors (see below), whose sum is σ = 1133496. Its totient is φ = 132480.

The previous prime is 422881. The next prime is 422893. The reversal of 422892 is 298224.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (422893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 267 + ... + 957.

It is an arithmetic number, because the mean of its divisors is an integer number (31486).

2422892 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 422892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566748).

422892 is an abundant number, since it is smaller than the sum of its proper divisors (710604).

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

422892 is a wasteful number, since it uses less digits than its factorization.

422892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 713 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 422892 is about 650.3014685513. The cubic root of 422892 is about 75.0602183038.

The spelling of 422892 in words is "four hundred twenty-two thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 153 204 306 612 691 1382 2073 2764 4146 6219 8292 11747 12438 23494 24876 35241 46988 70482 105723 140964 211446 422892