Base | Representation |
---|---|
bin | 100101011100… |
… | …0100011000000 |
3 | 1100221022200010 |
4 | 1022320203000 |
5 | 20011132042 |
6 | 1540424520 |
7 | 325566054 |
oct | 112704300 |
9 | 40838603 |
10 | 19630272 |
11 | 10098572 |
12 | 66a8140 |
13 | 40b405c |
14 | 286dc64 |
15 | 1acb59c |
hex | 12b88c0 |
19630272 has 28 divisors (see below), whose sum is σ = 51938936. Its totient is φ = 6543360.
The previous prime is 19630243. The next prime is 19630283. The reversal of 19630272 is 27203691.
It is a super-3 number, since 3×196302723 (a number of 23 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50929 + ... + 51312.
It is an arithmetic number, because the mean of its divisors is an integer number (1854962).
Almost surely, 219630272 is an apocalyptic number.
19630272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19630272 is an abundant number, since it is smaller than the sum of its proper divisors (32308664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19630272 is a wasteful number, since it uses less digits than its factorization.
19630272 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102256 (or 102246 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 30.
The square root of 19630272 is about 4430.6062790548. The cubic root of 19630272 is about 269.7586869966.
The spelling of 19630272 in words is "nineteen million, six hundred thirty thousand, two hundred seventy-two".
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