Base | Representation |
---|---|
bin | 100101011010… |
… | …0000110001100 |
3 | 1100220101200000 |
4 | 1022310012030 |
5 | 20010041134 |
6 | 1540204300 |
7 | 325461654 |
oct | 112640614 |
9 | 40811600 |
10 | 19612044 |
11 | 10085901 |
12 | 6699690 |
13 | 40a897a |
14 | 2867364 |
15 | 1ac5e99 |
hex | 12b418c |
19612044 has 36 divisors (see below), whose sum is σ = 51413544. Its totient is φ = 6537024.
The previous prime is 19612037. The next prime is 19612069. The reversal of 19612044 is 44021691.
19612044 is a `hidden beast` number, since 1 + 9 + 612 + 0 + 44 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 19611999 and 19612017.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9117 + ... + 11060.
It is an arithmetic number, because the mean of its divisors is an integer number (1428154).
Almost surely, 219612044 is an apocalyptic number.
It is an amenable number.
19612044 is an abundant number, since it is smaller than the sum of its proper divisors (31801500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19612044 is a wasteful number, since it uses less digits than its factorization.
19612044 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20196 (or 20182 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 27.
The square root of 19612044 is about 4428.5487464857. The cubic root of 19612044 is about 269.6751649055.
It can be divided in two parts, 1961 and 2044, that added together give a triangular number (4005 = T89).
The spelling of 19612044 in words is "nineteen million, six hundred twelve thousand, forty-four".
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