Search a number
-
+
105043419 = 3313192829
BaseRepresentation
bin1100100001011…
…01010111011011
321022122202111000
412100231113123
5203342342134
614231240043
72413566015
oct620552733
9238582430
10105043419
1154326748
122b219023
13189bb290
14dd451b5
15934de99
hex642d5db

105043419 has 48 divisors (see below), whose sum is σ = 177088800. Its totient is φ = 61166016.

The previous prime is 105043397. The next prime is 105043429. The reversal of 105043419 is 914340501.

It is not a de Polignac number, because 105043419 - 25 = 105043387 is a prime.

It is a super-2 number, since 2×1050434192 = 22068239750419122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 105043392 and 105043401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105043429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126297 + ... + 127125.

It is an arithmetic number, because the mean of its divisors is an integer number (3689350).

Almost surely, 2105043419 is an apocalyptic number.

105043419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

105043419 is a deficient number, since it is larger than the sum of its proper divisors (72045381).

105043419 is a wasteful number, since it uses less digits than its factorization.

105043419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 105043419 is about 10249.0691772473. The cubic root of 105043419 is about 471.8344168656.

The spelling of 105043419 in words is "one hundred five million, forty-three thousand, four hundred nineteen".

Divisors: 1 3 9 13 19 27 39 57 117 171 247 351 361 513 741 829 1083 2223 2487 3249 4693 6669 7461 9747 10777 14079 15751 22383 32331 42237 47253 96993 126711 141759 204763 290979 299269 425277 614289 897807 1842867 2693421 3890497 5528601 8080263 11671491 35014473 105043419