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38384473 is a prime number
BaseRepresentation
bin1001001001101…
…1001101011001
32200020010121011
42102123031121
534311300343
63450413521
7644156041
oct222331531
980203534
1038384473
111a737906
1210a312a1
137c4c40a
145152721
15358329d
hex249b359

38384473 has 2 divisors, whose sum is σ = 38384474. Its totient is φ = 38384472.

The previous prime is 38384471. The next prime is 38384483. The reversal of 38384473 is 37448383.

It is a happy number.

38384473 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., 27175369 + 11209104 = 5213^2 + 3348^2 .

It is a cyclic number.

It is not a de Polignac number, because 38384473 - 21 = 38384471 is a prime.

It is a super-3 number, since 3×383844733 (a number of 24 digits) contains 333 as substring.

Together with 38384471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (38384471) 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, 19192236 + 19192237.

It is an arithmetic number, because the mean of its divisors is an integer number (19192237).

Almost surely, 238384473 is an apocalyptic number.

It is an amenable number.

38384473 is a deficient number, since it is larger than the sum of its proper divisors (1).

38384473 is an equidigital number, since it uses as much as digits as its factorization.

38384473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 38384473 is about 6195.5203978358. The cubic root of 38384473 is about 337.3275878412.

The spelling of 38384473 in words is "thirty-eight million, three hundred eighty-four thousand, four hundred seventy-three".