Base | Representation |
---|---|
bin | 100100011001… |
… | …0011010101000 |
3 | 1022220102000222 |
4 | 1020302122220 |
5 | 14341041442 |
6 | 1520545212 |
7 | 321120236 |
oct | 110623250 |
9 | 38812028 |
10 | 19080872 |
11 | a852818 |
12 | 6482208 |
13 | 3c50c75 |
14 | 2769956 |
15 | 1a1d8d2 |
hex | 12326a8 |
19080872 has 32 divisors (see below), whose sum is σ = 37739520. Its totient is φ = 9030720.
The previous prime is 19080871. The next prime is 19080881. The reversal of 19080872 is 27808091.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (19080871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10838 + ... + 12474.
It is an arithmetic number, because the mean of its divisors is an integer number (1179360).
Almost surely, 219080872 is an apocalyptic number.
It is an amenable number.
19080872 is a deficient number, since it is larger than the sum of its proper divisors (18658648).
19080872 is a wasteful number, since it uses less digits than its factorization.
19080872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1721 (or 1717 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 35.
The square root of 19080872 is about 4368.1657477710. The cubic root of 19080872 is about 267.2182236845.
The spelling of 19080872 in words is "nineteen million, eighty thousand, eight hundred seventy-two".
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