Base | Representation |
---|---|
bin | 101010011011111… |
… | …0111001101110001 |
3 | 10200020101011001111 |
4 | 1110313313031301 |
5 | 10404011231400 |
6 | 353143433321 |
7 | 50200131034 |
oct | 12467671561 |
9 | 3606334044 |
10 | 1423930225 |
11 | 670853943 |
12 | 338a55841 |
13 | 199009a83 |
14 | d718101b |
15 | 850203ba |
hex | 54df7371 |
1423930225 has 9 divisors (see below), whose sum is σ = 1765907467. Its totient is φ = 1138993240.
The previous prime is 1423930177. The next prime is 1423930229. The reversal of 1423930225 is 5220393241.
The square root of 1423930225 is 37735.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 512614881 + 911315344 = 22641^2 + 30188^2 .
It is not a de Polignac number, because 1423930225 - 27 = 1423930097 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1423930229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 184902 + ... + 192448.
Almost surely, 21423930225 is an apocalyptic number.
1423930225 is the 37735-th square number.
1423930225 is the 18868-th centered octagonal number.
It is an amenable number.
1423930225 is a deficient number, since it is larger than the sum of its proper divisors (341977242).
1423930225 is an frugal number, since it uses more digits than its factorization.
1423930225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15104 (or 7552 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 31.
The cubic root of 1423930225 is about 1125.0268898922.
The spelling of 1423930225 in words is "one billion, four hundred twenty-three million, nine hundred thirty thousand, two hundred twenty-five".
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