Search a number
-
+
488985988 = 22122246497
BaseRepresentation
bin11101001001010…
…101010110000100
31021002010001200011
4131021111112010
52000140022423
6120304400004
715055212061
oct3511252604
91232101604
10488985988
11231024457
12117916004
137a3c9b2a
1448d29c68
152cddeb0d
hex1d255584

488985988 has 6 divisors (see below), whose sum is σ = 855725486. Its totient is φ = 244492992.

The previous prime is 488985961. The next prime is 488986007. The reversal of 488985988 is 889589884.

It can be written as a sum of positive squares in only one way, i.e., 296941824 + 192044164 = 17232^2 + 13858^2 .

It is a super-2 number, since 2×4889859882 = 478214592920672288, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 61123245 + ... + 61123252.

Almost surely, 2488985988 is an apocalyptic number.

It is an amenable number.

488985988 is a deficient number, since it is larger than the sum of its proper divisors (366739498).

488985988 is a wasteful number, since it uses less digits than its factorization.

488985988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122246501 (or 122246499 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 67.

The square root of 488985988 is about 22113.0275629548. The cubic root of 488985988 is about 787.8293174777.

The spelling of 488985988 in words is "four hundred eighty-eight million, nine hundred eighty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 4 122246497 244492994 488985988