Base | Representation |
---|---|
bin | 111010011100000100001 |
3 | 10121021202201 |
4 | 13103200201 |
5 | 442234123 |
6 | 105013201 |
7 | 22163560 |
oct | 7234041 |
9 | 3537681 |
10 | 1914913 |
11 | 1098780 |
12 | 784201 |
13 | 5207b0 |
14 | 37bbd7 |
15 | 27c5ad |
hex | 1d3821 |
1914913 has 16 divisors (see below), whose sum is σ = 2572416. Its totient is φ = 1376640.
The previous prime is 1914889. The next prime is 1914923. The reversal of 1914913 is 3194191.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 1914913 - 217 = 1783841 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1914923) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45 + ... + 1957.
It is an arithmetic number, because the mean of its divisors is an integer number (160776).
21914913 is an apocalyptic number.
1914913 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1914913 is a deficient number, since it is larger than the sum of its proper divisors (657503).
1914913 is a wasteful number, since it uses less digits than its factorization.
1914913 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1944.
The product of its digits is 972, while the sum is 28.
The square root of 1914913 is about 1383.8038155750. The cubic root of 1914913 is about 124.1794358493.
The spelling of 1914913 in words is "one million, nine hundred fourteen thousand, nine hundred thirteen".
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