Search a number
-
+
4989568 = 27172293
BaseRepresentation
bin10011000010001010000000
3100101111101211
4103002022000
52234131233
6254535504
760260563
oct23021200
910344354
104989568
1128a8811
121807594
13105910c
1493c4da
156885cd
hex4c2280

4989568 has 32 divisors (see below), whose sum is σ = 10529460. Its totient is φ = 2347008.

The previous prime is 4989541. The next prime is 4989581. The reversal of 4989568 is 8659894.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4981824 + 7744 = 2232^2 + 88^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030 + ... + 3322.

Almost surely, 24989568 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 4989568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5264730).

4989568 is an abundant number, since it is smaller than the sum of its proper divisors (5539892).

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

4989568 is a wasteful number, since it uses less digits than its factorization.

4989568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324 (or 2312 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 4989568 is about 2233.7340933961. The cubic root of 4989568 is about 170.8785887374.

The spelling of 4989568 in words is "four million, nine hundred eighty-nine thousand, five hundred sixty-eight".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 272 544 1088 2176 2293 4586 9172 18344 36688 38981 73376 77962 146752 155924 293504 311848 623696 1247392 2494784 4989568