Base | Representation |
---|---|
bin | 10010011000100… |
… | …000011001000011 |
3 | 210111100001111110 |
4 | 102120200121003 |
5 | 1112423222034 |
6 | 50334214403 |
7 | 10433322144 |
oct | 2230403103 |
9 | 714301443 |
10 | 308414019 |
11 | 149101021 |
12 | 87354403 |
13 | 4bb85804 |
14 | 2cd63acb |
15 | 1c121de9 |
hex | 12620643 |
308414019 has 4 divisors (see below), whose sum is σ = 411218696. Its totient is φ = 205609344.
The previous prime is 308414011. The next prime is 308414053. The reversal of 308414019 is 910414803.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 308414019 - 23 = 308414011 is a prime.
It is a super-2 number, since 2×3084140192 = 190238414231464722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (308414011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51402334 + ... + 51402339.
It is an arithmetic number, because the mean of its divisors is an integer number (102804674).
Almost surely, 2308414019 is an apocalyptic number.
308414019 is a deficient number, since it is larger than the sum of its proper divisors (102804677).
308414019 is a wasteful number, since it uses less digits than its factorization.
308414019 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102804676.
The product of its (nonzero) digits is 3456, while the sum is 30.
The square root of 308414019 is about 17561.7202745061. The cubic root of 308414019 is about 675.6338035949.
The spelling of 308414019 in words is "three hundred eight million, four hundred fourteen thousand, nineteen".
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