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38425903 = 271141793
BaseRepresentation
bin1001001010010…
…1010100101111
32200022020102121
42102211110233
534314112103
63451333411
7644420605
oct222452457
980266377
1038425903
111a765a4a
1210a51267
137c65229
145163875
1535906bd
hex24a552f

38425903 has 4 divisors (see below), whose sum is σ = 38567968. Its totient is φ = 38283840.

The previous prime is 38425889. The next prime is 38425909. The reversal of 38425903 is 30952483.

It is a happy number.

38425903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30952483 = 291067327.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38425903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38425909) 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 3 ways as a sum of consecutive naturals, for example, 70626 + ... + 71167.

It is an arithmetic number, because the mean of its divisors is an integer number (9641992).

Almost surely, 238425903 is an apocalyptic number.

38425903 is a deficient number, since it is larger than the sum of its proper divisors (142065).

38425903 is a wasteful number, since it uses less digits than its factorization.

38425903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142064.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 38425903 is about 6198.8630409132. The cubic root of 38425903 is about 337.4489082239.

The spelling of 38425903 in words is "thirty-eight million, four hundred twenty-five thousand, nine hundred three".

Divisors: 1 271 141793 38425903