Base | Representation |
---|---|
bin | 100100101000… |
… | …1101110101100 |
3 | 1100010220222100 |
4 | 1021101232230 |
5 | 14404143012 |
6 | 1523415100 |
7 | 322163205 |
oct | 111215654 |
9 | 40126870 |
10 | 19209132 |
11 | a930118 |
12 | 6524490 |
13 | 3c97467 |
14 | 27a05ac |
15 | 1a468dc |
hex | 1251bac |
19209132 has 36 divisors (see below), whose sum is σ = 49689640. Its totient is φ = 6253632.
The previous prime is 19209079. The next prime is 19209139. The reversal of 19209132 is 23190291.
It is a tau number, because it is divible by the number of its divisors (36).
It is a junction number, because it is equal to n+sod(n) for n = 19209096 and 19209105.
It is not an unprimeable number, because it can be changed into a prime (19209139) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4657 + ... + 7752.
Almost surely, 219209132 is an apocalyptic number.
19209132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19209132 is an abundant number, since it is smaller than the sum of its proper divisors (30480508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19209132 is a wasteful number, since it uses less digits than its factorization.
19209132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12462 (or 12457 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 27.
The square root of 19209132 is about 4382.8223783311. The cubic root of 19209132 is about 267.8156265103.
The spelling of 19209132 in words is "nineteen million, two hundred nine thousand, one hundred thirty-two".
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