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48579141 = 3131245619
BaseRepresentation
bin1011100101010…
…0001001000101
310101102002001110
42321110021011
544414013031
64453115233
71126626102
oct271241105
9111362043
1048579141
1125470256
1214328b19
13a0ab770
146647aa9
1543e8c46
hex2e54245

48579141 has 8 divisors (see below), whose sum is σ = 69754720. Its totient is φ = 29894832.

The previous prime is 48579127. The next prime is 48579161. The reversal of 48579141 is 14197584.

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

It is not a de Polignac number, because 48579141 - 25 = 48579109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 1245619 = 48579141 / (4 + 8 + 5 + 7 + 9 + 1 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48579141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48579101) 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 in 7 ways as a sum of consecutive naturals, for example, 622771 + ... + 622848.

It is an arithmetic number, because the mean of its divisors is an integer number (8719340).

Almost surely, 248579141 is an apocalyptic number.

It is an amenable number.

48579141 is a deficient number, since it is larger than the sum of its proper divisors (21175579).

48579141 is a wasteful number, since it uses less digits than its factorization.

48579141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245635.

The product of its digits is 40320, while the sum is 39.

The square root of 48579141 is about 6969.8738152136. The cubic root of 48579141 is about 364.8799029417.

The spelling of 48579141 in words is "forty-eight million, five hundred seventy-nine thousand, one hundred forty-one".

Divisors: 1 3 13 39 1245619 3736857 16193047 48579141