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20083769 is a prime number
BaseRepresentation
bin100110010011…
…1010000111001
31101210100202022
41030213100321
520120140034
61554244225
7332465156
oct114472071
941710668
1020083769
1110378262
126886675
1342125b4
14294b22d
151b6ab2e
hex1327439

20083769 has 2 divisors, whose sum is σ = 20083770. Its totient is φ = 20083768.

The previous prime is 20083757. The next prime is 20083771. The reversal of 20083769 is 96738002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17952169 + 2131600 = 4237^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 20083769 - 212 = 20079673 is a prime.

It is a super-2 number, since 2×200837692 = 806715554490722, which contains 22 as substring.

Together with 20083771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20083729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10041884 + 10041885.

It is an arithmetic number, because the mean of its divisors is an integer number (10041885).

Almost surely, 220083769 is an apocalyptic number.

It is an amenable number.

20083769 is a deficient number, since it is larger than the sum of its proper divisors (1).

20083769 is an equidigital number, since it uses as much as digits as its factorization.

20083769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 20083769 is about 4481.4918275057. The cubic root of 20083769 is about 271.8202071991.

The spelling of 20083769 in words is "twenty million, eighty-three thousand, seven hundred sixty-nine".