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38067993 = 326763131
BaseRepresentation
bin1001000100110…
…1111100011001
32122122001110200
42101031330121
534221133433
63435532413
7641400255
oct221157431
978561420
1038067993
111a541057
12108ba109
137b6b352
1450ad265
15351e613
hex244df19

38067993 has 12 divisors (see below), whose sum is σ = 55808688. Its totient is φ = 24999480.

The previous prime is 38067989. The next prime is 38068003. The reversal of 38067993 is 39976083.

It is a happy number.

38067993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38067993 - 22 = 38067989 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38067973) 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 in 11 ways as a sum of consecutive naturals, for example, 30963 + ... + 32168.

It is an arithmetic number, because the mean of its divisors is an integer number (4650724).

Almost surely, 238067993 is an apocalyptic number.

It is an amenable number.

38067993 is a deficient number, since it is larger than the sum of its proper divisors (17740695).

38067993 is a wasteful number, since it uses less digits than its factorization.

38067993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63204 (or 63201 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 38067993 is about 6169.9264987518. The cubic root of 38067993 is about 336.3979394438.

It can be divided in two parts, 38067 and 993, that added together give a triangular number (39060 = T279).

The spelling of 38067993 in words is "thirty-eight million, sixty-seven thousand, nine hundred ninety-three".

Divisors: 1 3 9 67 201 603 63131 189393 568179 4229777 12689331 38067993