Base | Representation |
---|---|
bin | 1000010010000010… |
… | …1000000111010101 |
3 | 12201221020111012121 |
4 | 2010200220013111 |
5 | 14023111123204 |
6 | 1004333415541 |
7 | 106043265361 |
oct | 20440500725 |
9 | 5657214177 |
10 | 2223145429 |
11 | a409a907a |
12 | 52063a5b1 |
13 | 29577668b |
14 | 1713842a1 |
15 | d028eb54 |
hex | 848281d5 |
2223145429 has 4 divisors (see below), whose sum is σ = 2260825920. Its totient is φ = 2185464940.
The previous prime is 2223145387. The next prime is 2223145447. The reversal of 2223145429 is 9245413222.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2223145429 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2223145394 and 2223145403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2223145459) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18840157 + ... + 18840274.
It is an arithmetic number, because the mean of its divisors is an integer number (565206480).
Almost surely, 22223145429 is an apocalyptic number.
It is an amenable number.
2223145429 is a deficient number, since it is larger than the sum of its proper divisors (37680491).
2223145429 is an equidigital number, since it uses as much as digits as its factorization.
2223145429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37680490.
The product of its digits is 34560, while the sum is 34.
The square root of 2223145429 is about 47150.2431488958. The cubic root of 2223145429 is about 1305.1365669873.
The spelling of 2223145429 in words is "two billion, two hundred twenty-three million, one hundred forty-five thousand, four hundred twenty-nine".
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