Search a number
-
+
4552668 = 22321743173
BaseRepresentation
bin10001010111011111011100
322120022002100
4101113133130
52131141133
6241325100
753461041
oct21273734
98508070
104552668
11262a53a
121636790
13c352b3
148671c8
155ede13
hex4577dc

4552668 has 72 divisors (see below), whose sum is σ = 12540528. Its totient is φ = 1387008.

The previous prime is 4552661. The next prime is 4552673. The reversal of 4552668 is 8662554.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4552661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26230 + ... + 26402.

It is an arithmetic number, because the mean of its divisors is an integer number (174174).

Almost surely, 24552668 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 4552668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6270264).

4552668 is an abundant number, since it is smaller than the sum of its proper divisors (7987860).

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

4552668 is a wasteful number, since it uses less digits than its factorization.

4552668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 238 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4552668 is about 2133.6981979652. The cubic root of 4552668 is about 165.7379617664.

The spelling of 4552668 in words is "four million, five hundred fifty-two thousand, six hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 43 51 68 86 102 129 153 172 173 204 258 306 346 387 516 519 612 692 731 774 1038 1462 1548 1557 2076 2193 2924 2941 3114 4386 5882 6228 6579 7439 8772 8823 11764 13158 14878 17646 22317 26316 26469 29756 35292 44634 52938 66951 89268 105876 126463 133902 252926 267804 379389 505852 758778 1138167 1517556 2276334 4552668