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58378939 = 163358153
BaseRepresentation
bin1101111010110…
…0101010111011
311001211221211221
43132230222323
5104421111224
65443132511
71306132663
oct336545273
9131757757
1058378939
112aa53a63
1217674137
13c130168
147a791a3
1551d26e4
hex37acabb

58378939 has 4 divisors (see below), whose sum is σ = 58737256. Its totient is φ = 58020624.

The previous prime is 58378913. The next prime is 58378949. The reversal of 58378939 is 93987385.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 58378939 - 217 = 58247867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58378949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178914 + ... + 179239.

It is an arithmetic number, because the mean of its divisors is an integer number (14684314).

Almost surely, 258378939 is an apocalyptic number.

58378939 is a deficient number, since it is larger than the sum of its proper divisors (358317).

58378939 is a wasteful number, since it uses less digits than its factorization.

58378939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358316.

The product of its digits is 1632960, while the sum is 52.

The square root of 58378939 is about 7640.6111666541. The cubic root of 58378939 is about 387.9288383150.

The spelling of 58378939 in words is "fifty-eight million, three hundred seventy-eight thousand, nine hundred thirty-nine".

Divisors: 1 163 358153 58378939