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4435228 = 227237197
BaseRepresentation
bin10000111010110100011100
322100022222201
4100322310130
52113411403
6235021244
752461460
oct20726434
98308881
104435228
11255a286
12159a824
13bc39c5
148364a0
155c921d
hex43ad1c

4435228 has 48 divisors (see below), whose sum is σ = 9483264. Its totient is φ = 1774080.

The previous prime is 4435183. The next prime is 4435237. The reversal of 4435228 is 8225344.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 4435196 and 4435205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45676 + ... + 45772.

It is an arithmetic number, because the mean of its divisors is an integer number (197568).

Almost surely, 24435228 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 4435228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4741632).

4435228 is an abundant number, since it is smaller than the sum of its proper divisors (5048036).

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

4435228 is a wasteful number, since it uses less digits than its factorization.

4435228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 4435228 is about 2105.9981006639. The cubic root of 4435228 is about 164.3004111076.

It can be divided in two parts, 443 and 5228, that added together give a triangular number (5671 = T106).

The spelling of 4435228 in words is "four million, four hundred thirty-five thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 23 28 46 71 92 97 142 161 194 284 322 388 497 644 679 994 1358 1633 1988 2231 2716 3266 4462 6532 6887 8924 11431 13774 15617 22862 27548 31234 45724 48209 62468 96418 158401 192836 316802 633604 1108807 2217614 4435228