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58381045 = 524148449
BaseRepresentation
bin1101111010110…
…1001011110101
311001212001201221
43132231023311
5104421143140
65443150341
71306142062
oct336551365
9131761657
1058381045
112aa555a8
12176753b1
13c1310c8
147a79c69
1551d314a
hex37ad2f5

58381045 has 8 divisors (see below), whose sum is σ = 70349400. Its totient is φ = 46510080.

The previous prime is 58381039. The next prime is 58381049. The reversal of 58381045 is 54018385.

It can be written as a sum of positive squares in 4 ways, for example, as 30902481 + 27478564 = 5559^2 + 5242^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 58381045 - 211 = 58378997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 58381045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58381049) 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 7 ways as a sum of consecutive naturals, for example, 23020 + ... + 25429.

It is an arithmetic number, because the mean of its divisors is an integer number (8793675).

Almost surely, 258381045 is an apocalyptic number.

It is an amenable number.

58381045 is a deficient number, since it is larger than the sum of its proper divisors (11968355).

58381045 is a wasteful number, since it uses less digits than its factorization.

58381045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48695.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 58381045 is about 7640.7489816117. The cubic root of 58381045 is about 387.9335030584.

The spelling of 58381045 in words is "fifty-eight million, three hundred eighty-one thousand, forty-five".

Divisors: 1 5 241 1205 48449 242245 11676209 58381045