Base | Representation |
---|---|
bin | 100100100111… |
… | …1100010010000 |
3 | 1100010110122110 |
4 | 1021033202100 |
5 | 14403401034 |
6 | 1523305320 |
7 | 322125045 |
oct | 111174220 |
9 | 40113573 |
10 | 19200144 |
11 | a924397 |
12 | 651b240 |
13 | 3c93342 |
14 | 279b1cc |
15 | 1a43de9 |
hex | 124f890 |
19200144 has 40 divisors (see below), whose sum is σ = 49818240. Its totient is φ = 6371968.
The previous prime is 19200143. The next prime is 19200149. The reversal of 19200144 is 44100291.
It is a self number, because there is not a number n which added to its sum of digits gives 19200144.
It is not an unprimeable number, because it can be changed into a prime (19200143) 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, 12169 + ... + 13655.
It is an arithmetic number, because the mean of its divisors is an integer number (1245456).
Almost surely, 219200144 is an apocalyptic number.
It is an amenable number.
19200144 is an abundant number, since it is smaller than the sum of its proper divisors (30618096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19200144 is a wasteful number, since it uses less digits than its factorization.
19200144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1767 (or 1761 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 19200144 is about 4381.7968916872. The cubic root of 19200144 is about 267.7738494641.
The spelling of 19200144 in words is "nineteen million, two hundred thousand, one hundred forty-four".
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