Search a number
-
+
488985071 = 1495216299
BaseRepresentation
bin11101001001010…
…101000111101111
31021002010000102012
4131021111013233
52000140010241
6120304351435
715055206311
oct3511250757
91232100365
10488985071
112310237a3
1211791557b
137a3c95a3
1448d297b1
152cdde6eb
hex1d2551ef

488985071 has 8 divisors (see below), whose sum is σ = 493290000. Its totient is φ = 484694080.

The previous prime is 488985067. The next prime is 488985073. The reversal of 488985071 is 170589884.

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

It is a cyclic number.

It is not a de Polignac number, because 488985071 - 22 = 488985067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (488985073) 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, 74480 + ... + 80778.

It is an arithmetic number, because the mean of its divisors is an integer number (61661250).

Almost surely, 2488985071 is an apocalyptic number.

488985071 is a deficient number, since it is larger than the sum of its proper divisors (4304929).

488985071 is a wasteful number, since it uses less digits than its factorization.

488985071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969.

The product of its (nonzero) digits is 645120, while the sum is 50.

The square root of 488985071 is about 22113.0068285613. The cubic root of 488985071 is about 787.8288250029.

The spelling of 488985071 in words is "four hundred eighty-eight million, nine hundred eighty-five thousand, seventy-one".

Divisors: 1 149 521 6299 77629 938551 3281779 488985071