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58278490 = 255827849
BaseRepresentation
bin1101111001010…
…0001001011010
311001122212001121
43132110021122
5104404402430
65441035454
71305234064
oct336241132
9131585047
1058278490
112a995546
1217625b8a
13c0c651a
147a50734
1551b2a7a
hex379425a

58278490 has 8 divisors (see below), whose sum is σ = 104901300. Its totient is φ = 23311392.

The previous prime is 58278469. The next prime is 58278497. The reversal of 58278490 is 9487285.

58278490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57198969 + 1079521 = 7563^2 + 1039^2 .

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

It is not an unprimeable number, because it can be changed into a prime (58278497) 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, 2913915 + ... + 2913934.

Almost surely, 258278490 is an apocalyptic number.

58278490 is a deficient number, since it is larger than the sum of its proper divisors (46622810).

58278490 is a wasteful number, since it uses less digits than its factorization.

58278490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5827856.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 58278490 is about 7634.0349750312. The cubic root of 58278490 is about 387.7062155945.

The spelling of 58278490 in words is "fifty-eight million, two hundred seventy-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 5827849 11655698 29139245 58278490