Base | Representation |
---|---|
bin | 100100101000… |
… | …0110000001110 |
3 | 1100010201111021 |
4 | 1021100300032 |
5 | 14404031014 |
6 | 1523344354 |
7 | 322145434 |
oct | 111206016 |
9 | 40121437 |
10 | 19205134 |
11 | a928113 |
12 | 65220ba |
13 | 3c956b0 |
14 | 279cd54 |
15 | 1a45624 |
hex | 1250c0e |
19205134 has 16 divisors (see below), whose sum is σ = 32094720. Its totient is φ = 8557920.
The previous prime is 19205129. The next prime is 19205177. The reversal of 19205134 is 43150291.
It is a junction number, because it is equal to n+sod(n) for n = 19205099 and 19205108.
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, 11982 + ... + 13489.
It is an arithmetic number, because the mean of its divisors is an integer number (2005920).
Almost surely, 219205134 is an apocalyptic number.
19205134 is a deficient number, since it is larger than the sum of its proper divisors (12889586).
19205134 is a wasteful number, since it uses less digits than its factorization.
19205134 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25515.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 19205134 is about 4382.3662558029. The cubic root of 19205134 is about 267.7970450501.
The spelling of 19205134 in words is "nineteen million, two hundred five thousand, one hundred thirty-four".
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