Base | Representation |
---|---|
bin | 100100010010… |
… | …1010100000001 |
3 | 1022210200102011 |
4 | 1020211110001 |
5 | 14332332301 |
6 | 1515452521 |
7 | 320504614 |
oct | 110452401 |
9 | 38720364 |
10 | 19027201 |
11 | a816466 |
12 | 6457141 |
13 | 3c326cb |
14 | 275417b |
15 | 1a0ca51 |
hex | 1225501 |
19027201 has 2 divisors, whose sum is σ = 19027202. Its totient is φ = 19027200.
The previous prime is 19027147. The next prime is 19027223. The reversal of 19027201 is 10272091.
It is an a-pointer prime, because the next prime (19027223) can be obtained adding 19027201 to its sum of digits (22).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14447601 + 4579600 = 3801^2 + 2140^2 .
It is a cyclic number.
It is not a de Polignac number, because 19027201 - 213 = 19019009 is a prime.
It is not a weakly prime, because it can be changed into another prime (19027271) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9513600 + 9513601.
It is an arithmetic number, because the mean of its divisors is an integer number (9513601).
Almost surely, 219027201 is an apocalyptic number.
It is an amenable number.
19027201 is a deficient number, since it is larger than the sum of its proper divisors (1).
19027201 is an equidigital number, since it uses as much as digits as its factorization.
19027201 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 252, while the sum is 22.
The square root of 19027201 is about 4362.0179962948. The cubic root of 19027201 is about 266.9674430885.
Adding to 19027201 its reverse (10272091), we get a palindrome (29299292).
The spelling of 19027201 in words is "nineteen million, twenty-seven thousand, two hundred one".
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