Base | Representation |
---|---|
bin | 100100110011… |
… | …1001101110101 |
3 | 1100022101200221 |
4 | 1021213031311 |
5 | 14420002031 |
6 | 1525334341 |
7 | 323010613 |
oct | 111471565 |
9 | 40271627 |
10 | 19297141 |
11 | a990256 |
12 | 65673b1 |
13 | 3cc8536 |
14 | 27c46b3 |
15 | 1a62a11 |
hex | 1267375 |
19297141 has 8 divisors (see below), whose sum is σ = 20697120. Its totient is φ = 17935632.
The previous prime is 19297133. The next prime is 19297147. The reversal of 19297141 is 14179291.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 19297141 - 23 = 19297133 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 19297097 and 19297106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19297147) 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, 8575 + ... + 10588.
It is an arithmetic number, because the mean of its divisors is an integer number (2587140).
Almost surely, 219297141 is an apocalyptic number.
It is an amenable number.
19297141 is a deficient number, since it is larger than the sum of its proper divisors (1399979).
19297141 is a wasteful number, since it uses less digits than its factorization.
19297141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19235.
The product of its digits is 4536, while the sum is 34.
The square root of 19297141 is about 4392.8511242700. The cubic root of 19297141 is about 268.2240135256.
The spelling of 19297141 in words is "nineteen million, two hundred ninety-seven thousand, one hundred forty-one".
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