Base | Representation |
---|---|
bin | 101010010101001… |
… | …1111000011110100 |
3 | 10122222202222121112 |
4 | 1110222133003310 |
5 | 10402112022122 |
6 | 352540334152 |
7 | 50125254062 |
oct | 12452370364 |
9 | 3588688545 |
10 | 1420423412 |
11 | 669879151 |
12 | 337844358 |
13 | 19837c835 |
14 | d690b032 |
15 | 84a7b2e2 |
hex | 54a9f0f4 |
1420423412 has 12 divisors (see below), whose sum is σ = 2494526496. Its totient is φ = 707701560.
The previous prime is 1420423409. The next prime is 1420423421. The reversal of 1420423412 is 2143240241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626264 + ... + 628527.
It is an arithmetic number, because the mean of its divisors is an integer number (207877208).
Almost surely, 21420423412 is an apocalyptic number.
It is an amenable number.
1420423412 is a deficient number, since it is larger than the sum of its proper divisors (1074103084).
1420423412 is a wasteful number, since it uses less digits than its factorization.
1420423412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1255078 (or 1255076 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 23.
The square root of 1420423412 is about 37688.5050380086. The cubic root of 1420423412 is about 1124.1025697611.
Adding to 1420423412 its reverse (2143240241), we get a palindrome (3563663653).
The spelling of 1420423412 in words is "one billion, four hundred twenty million, four hundred twenty-three thousand, four hundred twelve".
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