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4228530 = 235592389
BaseRepresentation
bin10000001000010110110010
321221211110020
4100020112302
52040303110
6230344310
750641035
oct20102662
97854406
104228530
112428a59
1214bb096
13b508b7
147c101c
15587d70
hex4085b2

4228530 has 32 divisors (see below), whose sum is σ = 10324800. Its totient is φ = 1108032.

The previous prime is 4228513. The next prime is 4228531. The reversal of 4228530 is 358224.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4228530.

It is not an unprimeable number, because it can be changed into a prime (4228531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576 + ... + 2964.

It is an arithmetic number, because the mean of its divisors is an integer number (322650).

Almost surely, 24228530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4228530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5162400).

4228530 is an abundant number, since it is smaller than the sum of its proper divisors (6096270).

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

4228530 is a wasteful number, since it uses less digits than its factorization.

4228530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4228530 is about 2056.3389798377. The cubic root of 4228530 is about 161.7073668503.

The spelling of 4228530 in words is "four million, two hundred twenty-eight thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1770 2389 4778 7167 11945 14334 23890 35835 71670 140951 281902 422853 704755 845706 1409510 2114265 4228530