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10809403 = 115318541
BaseRepresentation
bin101001001111…
…000000111011
3202100011201021
4221033000323
510231400103
61023403311
7160610203
oct51170073
922304637
1010809403
1161132a0
123753537
1323160c7
141615403
15e37bbd
hexa4f03b

10809403 has 8 divisors (see below), whose sum is σ = 12015216. Its totient is φ = 9640800.

The previous prime is 10809401. The next prime is 10809413. The reversal of 10809403 is 30490801.

10809403 is digitally balanced in base 2, 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 10809403 - 21 = 10809401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10809401) 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, 8688 + ... + 9853.

It is an arithmetic number, because the mean of its divisors is an integer number (1501902).

Almost surely, 210809403 is an apocalyptic number.

10809403 is a deficient number, since it is larger than the sum of its proper divisors (1205813).

10809403 is a wasteful number, since it uses less digits than its factorization.

10809403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18605.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 10809403 is about 3287.7656546658. The cubic root of 10809403 is about 221.1060212141.

The spelling of 10809403 in words is "ten million, eight hundred nine thousand, four hundred three".

Divisors: 1 11 53 583 18541 203951 982673 10809403