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38020369 is a prime number
BaseRepresentation
bin1001000100001…
…0010100010001
32122112122010211
42101002110101
534213122434
63434524121
7641111362
oct221022421
978478124
1038020369
111a5092a2
1210896641
137b5277a
145099b69
153510464
hex2442511

38020369 has 2 divisors, whose sum is σ = 38020370. Its totient is φ = 38020368.

The previous prime is 38020361. The next prime is 38020379. The reversal of 38020369 is 96302083.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23882769 + 14137600 = 4887^2 + 3760^2 .

It is a cyclic number.

It is not a de Polignac number, because 38020369 - 23 = 38020361 is a prime.

It is a super-2 number, since 2×380203692 = 2891096917792322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38020369.

It is not a weakly prime, because it can be changed into another prime (38020361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19010184 + 19010185.

It is an arithmetic number, because the mean of its divisors is an integer number (19010185).

Almost surely, 238020369 is an apocalyptic number.

It is an amenable number.

38020369 is a deficient number, since it is larger than the sum of its proper divisors (1).

38020369 is an equidigital number, since it uses as much as digits as its factorization.

38020369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 38020369 is about 6166.0659256936. The cubic root of 38020369 is about 336.2576001931.

The spelling of 38020369 in words is "thirty-eight million, twenty thousand, three hundred sixty-nine".