Base | Representation |
---|---|
bin | 10010010111110… |
… | …011101101000111 |
3 | 210110222202102100 |
4 | 102113303231013 |
5 | 1112401342413 |
6 | 50330243143 |
7 | 10431630414 |
oct | 2227635507 |
9 | 713882370 |
10 | 308230983 |
11 | 148a96555 |
12 | 872864b3 |
13 | 4bb203c8 |
14 | 2cd1710b |
15 | 1c0d7a73 |
hex | 125f3b47 |
308230983 has 24 divisors (see below), whose sum is σ = 451393488. Its totient is φ = 202655232.
The previous prime is 308230973. The next prime is 308230991. The reversal of 308230983 is 389032803.
It is not a de Polignac number, because 308230983 - 210 = 308229959 is a prime.
It is a super-2 number, since 2×3082309832 = 190012677762292578, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (308230913) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386341 + ... + 387137.
It is an arithmetic number, because the mean of its divisors is an integer number (18808062).
Almost surely, 2308230983 is an apocalyptic number.
308230983 is a deficient number, since it is larger than the sum of its proper divisors (143162505).
308230983 is a wasteful number, since it uses less digits than its factorization.
308230983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1343 (or 1340 counting only the distinct ones).
The product of its (nonzero) digits is 31104, while the sum is 36.
The square root of 308230983 is about 17556.5082804070. The cubic root of 308230983 is about 675.5001198954.
The spelling of 308230983 in words is "three hundred eight million, two hundred thirty thousand, nine hundred eighty-three".
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