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10809977 = 172327647
BaseRepresentation
bin101001001111…
…001001111001
3202100012111112
4221033021321
510231404402
61023410105
7160611653
oct51171171
922305445
1010809977
116113772
123753935
132316449
1416156d3
15e37e52
hexa4f279

10809977 has 8 divisors (see below), whose sum is σ = 11943936. Its totient is φ = 9731392.

The previous prime is 10809961. The next prime is 10810001. The reversal of 10809977 is 77990801.

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

It is not a de Polignac number, because 10809977 - 24 = 10809961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10809947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13433 + ... + 14214.

It is an arithmetic number, because the mean of its divisors is an integer number (1492992).

Almost surely, 210809977 is an apocalyptic number.

10809977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10809977 is a deficient number, since it is larger than the sum of its proper divisors (1133959).

10809977 is a wasteful number, since it uses less digits than its factorization.

10809977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27687.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 10809977 is about 3287.8529468332. The cubic root of 10809977 is about 221.1099348626.

The spelling of 10809977 in words is "ten million, eight hundred nine thousand, nine hundred seventy-seven".

Divisors: 1 17 23 391 27647 469999 635881 10809977