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38103139 is a prime number
BaseRepresentation
bin1001000101011…
…0100001100011
32122200211200101
42101112201203
534223300024
63440403231
7641604604
oct221264143
978624611
1038103139
111a5654a8
1210916517
137b81349
1450bbdab
153529c44
hex2456863

38103139 has 2 divisors, whose sum is σ = 38103140. Its totient is φ = 38103138.

The previous prime is 38103133. The next prime is 38103161. The reversal of 38103139 is 93130183.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 38103139 - 215 = 38070371 is a prime.

It is not a weakly prime, because it can be changed into another prime (38103133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19051569 + 19051570.

It is an arithmetic number, because the mean of its divisors is an integer number (19051570).

Almost surely, 238103139 is an apocalyptic number.

38103139 is a deficient number, since it is larger than the sum of its proper divisors (1).

38103139 is an equidigital number, since it uses as much as digits as its factorization.

38103139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 38103139 is about 6172.7740117390. The cubic root of 38103139 is about 336.5014332575.

The spelling of 38103139 in words is "thirty-eight million, one hundred three thousand, one hundred thirty-nine".