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38400361 is a prime number
BaseRepresentation
bin1001001001111…
…1000101101001
32200020221101121
42102133011221
534312302421
63451015241
7644253256
oct222370551
980227347
1038400361
111a74883a
1210a3a521
137c5670c
14515842d
153587d41
hex249f169

38400361 has 2 divisors, whose sum is σ = 38400362. Its totient is φ = 38400360.

The previous prime is 38400353. The next prime is 38400389. The reversal of 38400361 is 16300483.

38400361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 16451136 = 4685^2 + 4056^2 .

It is a cyclic number.

It is not a de Polignac number, because 38400361 - 23 = 38400353 is a prime.

It is not a weakly prime, because it can be changed into another prime (38400391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19200180 + 19200181.

It is an arithmetic number, because the mean of its divisors is an integer number (19200181).

Almost surely, 238400361 is an apocalyptic number.

It is an amenable number.

38400361 is a deficient number, since it is larger than the sum of its proper divisors (1).

38400361 is an equidigital number, since it uses as much as digits as its factorization.

38400361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 38400361 is about 6196.8024819257. The cubic root of 38400361 is about 337.3741233368.

The spelling of 38400361 in words is "thirty-eight million, four hundred thousand, three hundred sixty-one".