Base | Representation |
---|---|
bin | 101010010110110… |
… | …0100000101010011 |
3 | 10200001021222121200 |
4 | 1110231210011103 |
5 | 10402313333134 |
6 | 353005522243 |
7 | 50135154630 |
oct | 12455440523 |
9 | 3601258550 |
10 | 1421230419 |
11 | 66a27a4a4 |
12 | 337b73383 |
13 | 1985a2c5b |
14 | d6a7b187 |
15 | 84b8a499 |
hex | 54b64153 |
1421230419 has 48 divisors (see below), whose sum is σ = 2476531200. Its totient is φ = 767242368.
The previous prime is 1421230319. The next prime is 1421230439. The reversal of 1421230419 is 9140321241.
It is a happy number.
1421230419 is a `hidden beast` number, since 1 + 4 + 212 + 30 + 419 = 666.
It is not a de Polignac number, because 1421230419 - 216 = 1421164883 is a prime.
It is a super-2 number, since 2×14212304192 = 4039791807781831122, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1421230392 and 1421230401.
It is not an unprimeable number, because it can be changed into a prime (1421230439) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488122 + ... + 491024.
It is an arithmetic number, because the mean of its divisors is an integer number (51594400).
Almost surely, 21421230419 is an apocalyptic number.
1421230419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
1421230419 is a deficient number, since it is larger than the sum of its proper divisors (1055300781).
1421230419 is a wasteful number, since it uses less digits than its factorization.
1421230419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3344 (or 3341 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 1421230419 is about 37699.2097927795. The cubic root of 1421230419 is about 1124.3154140182.
The spelling of 1421230419 in words is "one billion, four hundred twenty-one million, two hundred thirty thousand, four hundred nineteen".
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