Search a number
-
+
298459980 = 22325721319137
BaseRepresentation
bin10001110010100…
…010001101001100
3202210121100010100
4101302202031030
51102401204410
645341011100
710252603500
oct2162421514
9683540110
10298459980
11143522445
1283b53a90
1349aabb50
142b8d2300
151b3078c0
hex11ca234c

298459980 has 432 divisors, whose sum is σ = 1202554080. Its totient is φ = 59222016.

The previous prime is 298459969. The next prime is 298459991. The reversal of 298459980 is 89954892.

It is an interprime number because it is at equal distance from previous prime (298459969) and next prime (298459991).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2178472 + ... + 2178608.

It is an arithmetic number, because the mean of its divisors is an integer number (2783690).

Almost surely, 2298459980 is an apocalyptic number.

298459980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298459980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601277040).

298459980 is an abundant number, since it is smaller than the sum of its proper divisors (904094100).

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

298459980 is a wasteful number, since it uses less digits than its factorization.

298459980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The square root of 298459980 is about 17275.9943273897. The cubic root of 298459980 is about 668.2854953532.

The spelling of 298459980 in words is "two hundred ninety-eight million, four hundred fifty-nine thousand, nine hundred eighty".