Search a number
-
+
9804960400 = 245249512
BaseRepresentation
bin10010010000110101…
…11101001010010000
3221022022202121002111
421020122331022100
5130040032213100
64300534155104
7464655534244
oct111032751220
927268677074
109804960400
11418170a964
121a977b2a94
13c0347bc21
146902b2424
153c5bd36ba
hex2486bd290

9804960400 has 45 divisors (see below), whose sum is σ = 23561176233. Its totient is φ = 3921192000.

The previous prime is 9804960383. The next prime is 9804960401. The reversal of 9804960400 is 40694089.

The square root of 9804960400 is 99020.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3529785744 + 6275174656 = 59412^2 + 79216^2 .

It is a super-2 number, since 2×98049604002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9804960401) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1977925 + ... + 1982875.

Almost surely, 29804960400 is an apocalyptic number.

9804960400 is the 99020-th square number.

It is an amenable number.

9804960400 is an abundant number, since it is smaller than the sum of its proper divisors (13756215833).

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

9804960400 is an frugal number, since it uses more digits than its factorization.

9804960400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920 (or 4958 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The cubic root of 9804960400 is about 2140.3359591337.

The spelling of 9804960400 in words is "nine billion, eight hundred four million, nine hundred sixty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 4951 9902 19804 24755 39608 49510 79216 99020 123775 198040 247550 396080 495100 990200 1980400 24512401 49024802 98049604 122562005 196099208 245124010 392198416 490248020 612810025 980496040 1225620050 1960992080 2451240100 4902480200 9804960400