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13054305 = 3511611297
BaseRepresentation
bin110001110011…
…000101100001
3220120020010210
4301303011201
511320214210
61143444333
7215650125
oct61630541
926506123
1013054305
117406990
1244566a9
132920b54
141a3b585
15122ce20
hexc73161

13054305 has 32 divisors (see below), whose sum is σ = 23177088. Its totient is φ = 6220800.

The previous prime is 13054267. The next prime is 13054313. The reversal of 13054305 is 50345031.

It is not a de Polignac number, because 13054305 - 27 = 13054177 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9417 + ... + 10713.

It is an arithmetic number, because the mean of its divisors is an integer number (724284).

Almost surely, 213054305 is an apocalyptic number.

13054305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13054305 is a deficient number, since it is larger than the sum of its proper divisors (10122783).

13054305 is a wasteful number, since it uses less digits than its factorization.

13054305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 13054305 is about 3613.0741758231. The cubic root of 13054305 is about 235.4604222147.

Adding to 13054305 its reverse (50345031), we get a palindrome (63399336).

The spelling of 13054305 in words is "thirteen million, fifty-four thousand, three hundred five".

Divisors: 1 3 5 11 15 33 55 61 165 183 305 671 915 1297 2013 3355 3891 6485 10065 14267 19455 42801 71335 79117 214005 237351 395585 870287 1186755 2610861 4351435 13054305