Search a number
-
+
4981992 = 233416183
BaseRepresentation
bin10011000000010011101000
3100101010000020
4103000103220
52233410432
6254440440
760226521
oct23002350
910333006
104981992
1128a3054
121803120
131055832
14939848
1568622c
hex4c04e8

4981992 has 64 divisors (see below), whose sum is σ = 13124160. Its totient is φ = 1574400.

The previous prime is 4981981. The next prime is 4981993. The reversal of 4981992 is 2991894.

It is not an unprimeable number, because it can be changed into a prime (4981993) 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, 59983 + ... + 60065.

It is an arithmetic number, because the mean of its divisors is an integer number (205065).

Almost surely, 24981992 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 4981992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6562080).

4981992 is an abundant number, since it is smaller than the sum of its proper divisors (8142168).

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

4981992 is a wasteful number, since it uses less digits than its factorization.

4981992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 190 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 4981992 is about 2232.0376340913. The cubic root of 4981992 is about 170.7920594056.

It can be divided in two parts, 498 and 1992, that multiplied together give a square (992016 = 9962).

The spelling of 4981992 in words is "four million, nine hundred eighty-one thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 24 41 61 82 83 122 123 164 166 183 244 246 249 328 332 366 488 492 498 664 732 984 996 1464 1992 2501 3403 5002 5063 6806 7503 10004 10126 10209 13612 15006 15189 20008 20252 20418 27224 30012 30378 40504 40836 60024 60756 81672 121512 207583 415166 622749 830332 1245498 1660664 2490996 4981992