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58378485 = 35112315383
BaseRepresentation
bin1101111010110…
…0100011110101
311001211221020010
43132230203311
5104421102420
65443130433
71306131444
oct336544365
9131757203
1058378485
112aa53690
1217673a19
13c12cba9
147a78d5b
1551d24e0
hex37ac8f5

58378485 has 32 divisors (see below), whose sum is σ = 106334208. Its totient is φ = 27072320.

The previous prime is 58378483. The next prime is 58378511. The reversal of 58378485 is 58487385.

It is not a de Polignac number, because 58378485 - 21 = 58378483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58378483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3897 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (3322944).

Almost surely, 258378485 is an apocalyptic number.

58378485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

58378485 is a deficient number, since it is larger than the sum of its proper divisors (47955723).

58378485 is a wasteful number, since it uses less digits than its factorization.

58378485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425.

The product of its digits is 1075200, while the sum is 48.

The square root of 58378485 is about 7640.5814569311. The cubic root of 58378485 is about 387.9278327004.

Subtracting 58378485 from its reverse (58487385), we obtain a square (108900 = 3302).

The spelling of 58378485 in words is "fifty-eight million, three hundred seventy-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 11 15 23 33 55 69 115 165 253 345 759 1265 3795 15383 46149 76915 169213 230745 353809 507639 846065 1061427 1769045 2538195 3891899 5307135 11675697 19459495 58378485