Base | Representation |
---|---|
bin | 101010011010011… |
… | …0011111101010011 |
3 | 10200011212111222020 |
4 | 1110310303331103 |
5 | 10403310133301 |
6 | 353114342523 |
7 | 50160260241 |
oct | 12464637523 |
9 | 3604774866 |
10 | 1423130451 |
11 | 670357a76 |
12 | 33872aa43 |
13 | 198ab9a32 |
14 | d7013791 |
15 | 84e13436 |
hex | 54d33f53 |
1423130451 has 32 divisors (see below), whose sum is σ = 2056581120. Its totient is φ = 873046944.
The previous prime is 1423130417. The next prime is 1423130453. The reversal of 1423130451 is 1540313241.
It is a happy number.
It is not a de Polignac number, because 1423130451 - 27 = 1423130323 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1423130453) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195210 + ... + 202368.
It is an arithmetic number, because the mean of its divisors is an integer number (64268160).
Almost surely, 21423130451 is an apocalyptic number.
1423130451 is a deficient number, since it is larger than the sum of its proper divisors (633450669).
1423130451 is a wasteful number, since it uses less digits than its factorization.
1423130451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7295.
The product of its (nonzero) digits is 1440, while the sum is 24.
The square root of 1423130451 is about 37724.4012676146. The cubic root of 1423130451 is about 1124.8162204486.
Adding to 1423130451 its reverse (1540313241), we get a palindrome (2963443692).
The spelling of 1423130451 in words is "one billion, four hundred twenty-three million, one hundred thirty thousand, four hundred fifty-one".
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