Search a number
-
+
11516900 = 225241532
BaseRepresentation
bin101011111011…
…101111100100
3210200010012212
4223323233210
510422020100
61050502552
7166614653
oct53735744
923603185
1011516900
1165568aa
123a34a58
132503145
14175b19a
151027635
hexafbbe4

11516900 has 54 divisors (see below), whose sum is σ = 26093382. Its totient is φ = 4409600.

The previous prime is 11516893. The next prime is 11516909. The reversal of 11516900 is 961511.

It can be written as a sum of positive squares in 9 ways, for example, as 3541924 + 7974976 = 1882^2 + 2824^2 .

It is a super-2 number, since 2×115169002 = 265277971220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516909) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 217274 + ... + 217326.

Almost surely, 211516900 is an apocalyptic number.

11516900 is a gapful number since it is divisible by the number (10) 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 11516900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13046691).

11516900 is an abundant number, since it is smaller than the sum of its proper divisors (14576482).

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

11516900 is a wasteful number, since it uses less digits than its factorization.

11516900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 11516900 is about 3393.6558458394. The cubic root of 11516900 is about 225.8283866995.

The spelling of 11516900 in words is "eleven million, five hundred sixteen thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 41 50 53 82 100 106 164 205 212 265 410 530 820 1025 1060 1325 2050 2173 2650 2809 4100 4346 5300 5618 8692 10865 11236 14045 21730 28090 43460 54325 56180 70225 108650 115169 140450 217300 230338 280900 460676 575845 1151690 2303380 2879225 5758450 11516900