Base | Representation |
---|---|
bin | 100101001010… |
… | …0000110001100 |
3 | 1100122201212111 |
4 | 1022110012030 |
5 | 14441342342 |
6 | 1533313404 |
7 | 324404560 |
oct | 112240614 |
9 | 40581774 |
10 | 19480972 |
11 | aaa6385 |
12 | 6635864 |
13 | 4061104 |
14 | 28316a0 |
15 | 1a9c217 |
hex | 129418c |
19480972 has 12 divisors (see below), whose sum is σ = 38962000. Its totient is φ = 8348976.
The previous prime is 19480969. The next prime is 19480973. The reversal of 19480972 is 27908491.
19480972 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (19480973) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347847 + ... + 347902.
Almost surely, 219480972 is an apocalyptic number.
It is an amenable number.
19480972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19480972 is a wasteful number, since it uses less digits than its factorization.
19480972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 695760 (or 695758 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 40.
The square root of 19480972 is about 4413.7254105800. The cubic root of 19480972 is about 269.0730535914.
The spelling of 19480972 in words is "nineteen million, four hundred eighty thousand, nine hundred seventy-two".
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