Search a number
-
+
10288730 = 251028873
BaseRepresentation
bin100111001111…
…111001011010
3201100201111002
4213033321122
510113214410
61004305002
7153311204
oct47177132
921321432
1010288730
115898091
123542162
13219310a
14151b774
15d837a5
hex9cfe5a

10288730 has 8 divisors (see below), whose sum is σ = 18519732. Its totient is φ = 4115488.

The previous prime is 10288727. The next prime is 10288753. The reversal of 10288730 is 3788201.

It can be written as a sum of positive squares in 2 ways, for example, as 9554281 + 734449 = 3091^2 + 857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10288693 and 10288702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514427 + ... + 514446.

Almost surely, 210288730 is an apocalyptic number.

10288730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10288730 is a deficient number, since it is larger than the sum of its proper divisors (8231002).

10288730 is a wasteful number, since it uses less digits than its factorization.

10288730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028880.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 10288730 is about 3207.6050255603. The cubic root of 10288730 is about 217.4973267827.

The spelling of 10288730 in words is "ten million, two hundred eighty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 1028873 2057746 5144365 10288730