Base | Representation |
---|---|
bin | 100101110000… |
… | …1001110001011 |
3 | 1101020210012121 |
4 | 1023201032023 |
5 | 20032000000 |
6 | 1544152111 |
7 | 330161560 |
oct | 113411613 |
9 | 41223177 |
10 | 19796875 |
11 | 101a175a |
12 | 6768637 |
13 | 4141b37 |
14 | 28b4867 |
15 | 1b10b1a |
hex | 12e138b |
19796875 has 28 divisors (see below), whose sum is σ = 28437136. Its totient is φ = 13500000.
The previous prime is 19796873. The next prime is 19796923. The reversal of 19796875 is 57869791.
It is a happy number.
It is not a de Polignac number, because 19796875 - 21 = 19796873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (19796873) by changing a digit.
It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 109285 + ... + 109465.
It is an arithmetic number, because the mean of its divisors is an integer number (1015612).
Almost surely, 219796875 is an apocalyptic number.
19796875 is a deficient number, since it is larger than the sum of its proper divisors (8640261).
19796875 is an frugal number, since it uses more digits than its factorization.
19796875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218 (or 193 counting only the distinct ones).
The product of its digits is 952560, while the sum is 52.
The square root of 19796875 is about 4449.3679326394. The cubic root of 19796875 is about 270.5196895159.
The spelling of 19796875 in words is "nineteen million, seven hundred ninety-six thousand, eight hundred seventy-five".
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