Base | Representation |
---|---|
bin | 100101001110… |
… | …0010000110111 |
3 | 1100201102202102 |
4 | 1022130100313 |
5 | 14443430143 |
6 | 1534132315 |
7 | 324604235 |
oct | 112342067 |
9 | 40642672 |
10 | 19514423 |
11 | 10019525 |
12 | 665109b |
13 | 40733c6 |
14 | 283d955 |
15 | 1aa70b8 |
hex | 129c437 |
19514423 has 4 divisors (see below), whose sum is σ = 19615728. Its totient is φ = 19413120.
The previous prime is 19514413. The next prime is 19514431. The reversal of 19514423 is 32441591.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 19514423 - 26 = 19514359 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19514413) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50363 + ... + 50748.
It is an arithmetic number, because the mean of its divisors is an integer number (4903932).
Almost surely, 219514423 is an apocalyptic number.
19514423 is a deficient number, since it is larger than the sum of its proper divisors (101305).
19514423 is a wasteful number, since it uses less digits than its factorization.
19514423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 101304.
The product of its digits is 4320, while the sum is 29.
The square root of 19514423 is about 4417.5132144681. The cubic root of 19514423 is about 269.2269749983.
The spelling of 19514423 in words is "nineteen million, five hundred fourteen thousand, four hundred twenty-three".
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