Search a number
-
+
10812720 = 243545053
BaseRepresentation
bin101001001111…
…110100110000
3202100100021010
4221033310300
510232001340
61023430520
7160622652
oct51176460
922310233
1010812720
116115836
123755440
132317779
1416166d2
15e38b80
hexa4fd30

10812720 has 40 divisors (see below), whose sum is σ = 33520176. Its totient is φ = 2883328.

The previous prime is 10812713. The next prime is 10812727. The reversal of 10812720 is 2721801.

10812720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10812713) and next prime (10812727).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (10812727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22287 + ... + 22766.

Almost surely, 210812720 is an apocalyptic number.

10812720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10812720 is an abundant number, since it is smaller than the sum of its proper divisors (22707456).

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

10812720 is a wasteful number, since it uses less digits than its factorization.

10812720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45069 (or 45063 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 10812720 is about 3288.2700619019. The cubic root of 10812720 is about 221.1286352804.

The spelling of 10812720 in words is "ten million, eight hundred twelve thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 45053 90106 135159 180212 225265 270318 360424 450530 540636 675795 720848 901060 1081272 1351590 1802120 2162544 2703180 3604240 5406360 10812720