Base | Representation |
---|---|
bin | 100101011010… |
… | …0000110110101 |
3 | 1100220101201112 |
4 | 1022310012311 |
5 | 20010041320 |
6 | 1540204405 |
7 | 325462043 |
oct | 112640665 |
9 | 40811645 |
10 | 19612085 |
11 | 10085939 |
12 | 6699705 |
13 | 40a89ac |
14 | 2867393 |
15 | 1ac5ec5 |
hex | 12b41b5 |
19612085 has 16 divisors (see below), whose sum is σ = 25354560. Its totient is φ = 14515200.
The previous prime is 19612069. The next prime is 19612121. The reversal of 19612085 is 58021691.
It is not a de Polignac number, because 19612085 - 24 = 19612069 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685 + ... + 6485.
It is an arithmetic number, because the mean of its divisors is an integer number (1584660).
Almost surely, 219612085 is an apocalyptic number.
It is an amenable number.
19612085 is a deficient number, since it is larger than the sum of its proper divisors (5742475).
19612085 is a wasteful number, since it uses less digits than its factorization.
19612085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4868.
The product of its (nonzero) digits is 4320, while the sum is 32.
The square root of 19612085 is about 4428.5533755392. The cubic root of 19612085 is about 269.6753528287.
The spelling of 19612085 in words is "nineteen million, six hundred twelve thousand, eighty-five".
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