Base | Representation |
---|---|
bin | 100100011101… |
… | …0010010000101 |
3 | 1022222001020100 |
4 | 1020322102011 |
5 | 14343104333 |
6 | 1521354313 |
7 | 321313206 |
oct | 110722205 |
9 | 38861210 |
10 | 19113093 |
11 | a874a4a |
12 | 6498999 |
13 | 3c6282c |
14 | 27775ad |
15 | 1a28213 |
hex | 123a485 |
19113093 has 12 divisors (see below), whose sum is σ = 28281708. Its totient is φ = 12431040.
The previous prime is 19113091. The next prime is 19113097. The reversal of 19113093 is 39031191.
It can be written as a sum of positive squares in 2 ways, for example, as 2196324 + 16916769 = 1482^2 + 4113^2 .
It is not a de Polignac number, because 19113093 - 21 = 19113091 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19113091) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25530 + ... + 26267.
It is an arithmetic number, because the mean of its divisors is an integer number (2356809).
Almost surely, 219113093 is an apocalyptic number.
It is an amenable number.
19113093 is a deficient number, since it is larger than the sum of its proper divisors (9168615).
19113093 is a wasteful number, since it uses less digits than its factorization.
19113093 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 51844 (or 51841 counting only the distinct ones).
The product of its (nonzero) digits is 729, while the sum is 27.
The square root of 19113093 is about 4371.8523534081. The cubic root of 19113093 is about 267.3685521821.
The spelling of 19113093 in words is "nineteen million, one hundred thirteen thousand, ninety-three".
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