Base | Representation |
---|---|
bin | 100101000001… |
… | …1111110010010 |
3 | 1100112101021111 |
4 | 1022003332102 |
5 | 14432234210 |
6 | 1532043534 |
7 | 324011203 |
oct | 112037622 |
9 | 40471244 |
10 | 19414930 |
11 | aa607a7 |
12 | 66035aa |
13 | 403a032 |
14 | 28155aa |
15 | 1a8788a |
hex | 1283f92 |
19414930 has 32 divisors (see below), whose sum is σ = 36108864. Its totient is φ = 7511616.
The previous prime is 19414909. The next prime is 19414931. The reversal of 19414930 is 3941491.
It is a junction number, because it is equal to n+sod(n) for n = 19414892 and 19414901.
It is not an unprimeable number, because it can be changed into a prime (19414931) 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, 69952 + ... + 70228.
It is an arithmetic number, because the mean of its divisors is an integer number (1128402).
Almost surely, 219414930 is an apocalyptic number.
19414930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
19414930 is a deficient number, since it is larger than the sum of its proper divisors (16693934).
19414930 is a wasteful number, since it uses less digits than its factorization.
19414930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 490.
The product of its (nonzero) digits is 3888, while the sum is 31.
The square root of 19414930 is about 4406.2376240961. The cubic root of 19414930 is about 268.7686498686.
The spelling of 19414930 in words is "nineteen million, four hundred fourteen thousand, nine hundred thirty".
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