Base | Representation |
---|---|
bin | 100100110011… |
… | …1001101100000 |
3 | 1100022101200011 |
4 | 1021213031200 |
5 | 14420001440 |
6 | 1525334304 |
7 | 323010553 |
oct | 111471540 |
9 | 40271604 |
10 | 19297120 |
11 | a990237 |
12 | 6567394 |
13 | 3cc851b |
14 | 27c469a |
15 | 1a629ea |
hex | 1267360 |
19297120 has 24 divisors (see below), whose sum is σ = 45589824. Its totient is φ = 7718784.
The previous prime is 19297079. The next prime is 19297127. The reversal of 19297120 is 2179291.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19297127) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60144 + ... + 60463.
It is an arithmetic number, because the mean of its divisors is an integer number (1899576).
Almost surely, 219297120 is an apocalyptic number.
19297120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19297120 is an abundant number, since it is smaller than the sum of its proper divisors (26292704).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19297120 is a wasteful number, since it uses less digits than its factorization.
19297120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 120622 (or 120614 counting only the distinct ones).
The product of its (nonzero) digits is 2268, while the sum is 31.
The square root of 19297120 is about 4392.8487340221. The cubic root of 19297120 is about 268.2239162278.
The spelling of 19297120 in words is "nineteen million, two hundred ninety-seven thousand, one hundred twenty".
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