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10809318 = 2313138581
BaseRepresentation
bin101001001110…
…111111100110
3202100011121010
4221032333212
510231344233
61023403050
7160610022
oct51167746
922304533
1010809318
116113223
123753486
132316060
141615382
15e37b63
hexa4efe6

10809318 has 16 divisors (see below), whose sum is σ = 23281776. Its totient is φ = 3325920.

The previous prime is 10809307. The next prime is 10809343. The reversal of 10809318 is 81390801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69213 + ... + 69368.

It is an arithmetic number, because the mean of its divisors is an integer number (1455111).

Almost surely, 210809318 is an apocalyptic number.

10809318 is an abundant number, since it is smaller than the sum of its proper divisors (12472458).

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

10809318 is a wasteful number, since it uses less digits than its factorization.

10809318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138599.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 10809318 is about 3287.7527279283. The cubic root of 10809318 is about 221.1054416551.

The spelling of 10809318 in words is "ten million, eight hundred nine thousand, three hundred eighteen".

Divisors: 1 2 3 6 13 26 39 78 138581 277162 415743 831486 1801553 3603106 5404659 10809318