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4545228 = 2232937353
BaseRepresentation
bin10001010101101011001100
322112220212210
4101111223030
52130421403
6241230420
753430252
oct21255314
98486783
104545228
112624996
121632410
13c31aac
148645d2
155ebb03
hex455acc

4545228 has 48 divisors (see below), whose sum is σ = 11299680. Its totient is φ = 1419264.

The previous prime is 4545223. The next prime is 4545241. The reversal of 4545228 is 8225454.

4545228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 47 + 59 + 48 + 59 + 2 + 219 + 85 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4545195 and 4545204.

It is not an unprimeable number, because it can be changed into a prime (4545223) by changing a digit.

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, 12700 + ... + 13052.

It is an arithmetic number, because the mean of its divisors is an integer number (235410).

Almost surely, 24545228 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 4545228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5649840).

4545228 is an abundant number, since it is smaller than the sum of its proper divisors (6754452).

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

4545228 is a wasteful number, since it uses less digits than its factorization.

4545228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 424 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 4545228 is about 2131.9540332756. The cubic root of 4545228 is about 165.6476291853.

The spelling of 4545228 in words is "four million, five hundred forty-five thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 12 29 37 58 74 87 111 116 148 174 222 348 353 444 706 1059 1073 1412 2118 2146 3219 4236 4292 6438 10237 12876 13061 20474 26122 30711 39183 40948 52244 61422 78366 122844 156732 378769 757538 1136307 1515076 2272614 4545228