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4206228 = 2231359457
BaseRepresentation
bin10000000010111010010100
321220200212020
4100002322110
52034044403
6230053140
750516025
oct20027224
97820766
104206228
112413224
1214aa1b0
13b436c0
147b6c4c
15581453
hex402e94

4206228 has 48 divisors (see below), whose sum is σ = 10772160. Its totient is φ = 1269504.

The previous prime is 4206227. The next prime is 4206233. The reversal of 4206228 is 8226024.

It is a d-powerful number, because it can be written as 4 + 24 + 0 + 65 + 25 + 222 + 84 .

It is a junction number, because it is equal to n+sod(n) for n = 4206198 and 4206207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4206221) 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, 8976 + ... + 9432.

It is an arithmetic number, because the mean of its divisors is an integer number (224420).

Almost surely, 24206228 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 4206228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5386080).

4206228 is an abundant number, since it is smaller than the sum of its proper divisors (6565932).

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

4206228 is a wasteful number, since it uses less digits than its factorization.

4206228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4206228 is about 2050.9090667311. The cubic root of 4206228 is about 161.4225746889.

The spelling of 4206228 in words is "four million, two hundred six thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 59 78 118 156 177 236 354 457 708 767 914 1371 1534 1828 2301 2742 3068 4602 5484 5941 9204 11882 17823 23764 26963 35646 53926 71292 80889 107852 161778 323556 350519 701038 1051557 1402076 2103114 4206228