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10809203 = 109131757
BaseRepresentation
bin101001001110…
…111101110011
3202100011102212
4221032331303
510231343303
61023402335
7160606466
oct51167563
922304385
1010809203
116113129
1237533ab
132315ca2
1416152dd
15e37ad8
hexa4ef73

10809203 has 8 divisors (see below), whose sum is σ = 11006160. Its totient is φ = 10614240.

The previous prime is 10809179. The next prime is 10809221. The reversal of 10809203 is 30290801.

10809203 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10809203 - 28 = 10808947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10809283) 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, 13901 + ... + 14657.

It is an arithmetic number, because the mean of its divisors is an integer number (1375770).

Almost surely, 210809203 is an apocalyptic number.

10809203 is a deficient number, since it is larger than the sum of its proper divisors (196957).

10809203 is a wasteful number, since it uses less digits than its factorization.

10809203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 10809203 is about 3287.7352387320. The cubic root of 10809203 is about 221.1046575410.

The spelling of 10809203 in words is "ten million, eight hundred nine thousand, two hundred three".

Divisors: 1 109 131 757 14279 82513 99167 10809203