Base | Representation |
---|---|
bin | 111001010100010… |
… | …0001111011111001 |
3 | 11222000220001222220 |
4 | 1302220201323321 |
5 | 12414321234020 |
6 | 514501234253 |
7 | 65442106632 |
oct | 16250417371 |
9 | 4860801886 |
10 | 1923227385 |
11 | 8a7680222 |
12 | 458102989 |
13 | 2485a6c91 |
14 | 1435d2889 |
15 | b3c9a240 |
hex | 72a21ef9 |
1923227385 has 32 divisors (see below), whose sum is σ = 3158531712. Its totient is φ = 998699520.
The previous prime is 1923227351. The next prime is 1923227393. The reversal of 1923227385 is 5837223291.
It is not a de Polignac number, because 1923227385 - 215 = 1923194617 is a prime.
It is an unprimeable number.
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 31 ways as a sum of consecutive naturals, for example, 333547 + ... + 339263.
It is an arithmetic number, because the mean of its divisors is an integer number (98704116).
Almost surely, 21923227385 is an apocalyptic number.
1923227385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1923227385 is a deficient number, since it is larger than the sum of its proper divisors (1235304327).
1923227385 is a wasteful number, since it uses less digits than its factorization.
1923227385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6313.
The product of its digits is 181440, while the sum is 42.
The square root of 1923227385 is about 43854.6164616680. The cubic root of 1923227385 is about 1243.5890177915.
The spelling of 1923227385 in words is "one billion, nine hundred twenty-three million, two hundred twenty-seven thousand, three hundred eighty-five".
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