Base | Representation |
---|---|
bin | 100100111101… |
… | …1100111011101 |
3 | 1100110122022202 |
4 | 1021323213131 |
5 | 14430140301 |
6 | 1531221245 |
7 | 323506334 |
oct | 111734735 |
9 | 40418282 |
10 | 19380701 |
11 | aa3800a |
12 | 65a7825 |
13 | 4027592 |
14 | 2806d1b |
15 | 1a7c66b |
hex | 127b9dd |
19380701 has 2 divisors, whose sum is σ = 19380702. Its totient is φ = 19380700.
The previous prime is 19380677. The next prime is 19380719. The reversal of 19380701 is 10708391.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 17347225 + 2033476 = 4165^2 + 1426^2 .
It is a cyclic number.
It is not a de Polignac number, because 19380701 - 222 = 15186397 is a prime.
It is a super-2 number, since 2×193807012 = 751223142502802, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19380721) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9690350 + 9690351.
It is an arithmetic number, because the mean of its divisors is an integer number (9690351).
Almost surely, 219380701 is an apocalyptic number.
It is an amenable number.
19380701 is a deficient number, since it is larger than the sum of its proper divisors (1).
19380701 is an equidigital number, since it uses as much as digits as its factorization.
19380701 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 29.
The square root of 19380701 is about 4402.3517578676. The cubic root of 19380701 is about 268.6106083709.
The spelling of 19380701 in words is "nineteen million, three hundred eighty thousand, seven hundred one".
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