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13098819 = 310342391
BaseRepresentation
bin110001111101…
…111101000011
3220122111012110
4301331331003
511323130234
61144430403
7216223656
oct61757503
926574173
1013098819
117437378
124478403
1329381a6
141a4d89d
15123b1e9
hexc7df43

13098819 has 8 divisors (see below), whose sum is σ = 17635072. Its totient is φ = 8647560.

The previous prime is 13098793. The next prime is 13098829. The reversal of 13098819 is 91889031.

It is a happy number.

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

It is not a de Polignac number, because 13098819 - 28 = 13098563 is a prime.

It is a super-2 number, since 2×130988192 = 343158118389522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13098829) 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, 20887 + ... + 21504.

It is an arithmetic number, because the mean of its divisors is an integer number (2204384).

Almost surely, 213098819 is an apocalyptic number.

13098819 is a deficient number, since it is larger than the sum of its proper divisors (4536253).

13098819 is a wasteful number, since it uses less digits than its factorization.

13098819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42497.

The product of its (nonzero) digits is 15552, while the sum is 39.

The square root of 13098819 is about 3619.2290615544. The cubic root of 13098819 is about 235.7277515067.

The spelling of 13098819 in words is "thirteen million, ninety-eight thousand, eight hundred nineteen".

Divisors: 1 3 103 309 42391 127173 4366273 13098819