Base | Representation |
---|---|
bin | 100100110011101… |
… | …0001010101111111 |
3 | 10012001221002121120 |
4 | 1021213101111333 |
5 | 10012132001143 |
6 | 322315002023 |
7 | 42414410463 |
oct | 11147212577 |
9 | 3161832546 |
10 | 1235031423 |
11 | 58416342a |
12 | 2a5739313 |
13 | 168b3b632 |
14 | ba04c4a3 |
15 | 7365a383 |
hex | 499d157f |
1235031423 has 16 divisors (see below), whose sum is σ = 1686178560. Its totient is φ = 803646144.
The previous prime is 1235031401. The next prime is 1235031433. The reversal of 1235031423 is 3241305321.
It is not a de Polignac number, because 1235031423 - 26 = 1235031359 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 1235031393 and 1235031402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1235031433) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267190 + ... + 271772.
It is an arithmetic number, because the mean of its divisors is an integer number (105386160).
Almost surely, 21235031423 is an apocalyptic number.
1235031423 is a deficient number, since it is larger than the sum of its proper divisors (451147137).
1235031423 is a wasteful number, since it uses less digits than its factorization.
1235031423 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6718.
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 1235031423 is about 35143.0138576645. The cubic root of 1235031423 is about 1072.9002236994.
Adding to 1235031423 its reverse (3241305321), we get a palindrome (4476336744).
The spelling of 1235031423 in words is "one billion, two hundred thirty-five million, thirty-one thousand, four hundred twenty-three".
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