Search a number
-
+
128331248 = 248020703
BaseRepresentation
bin1111010011000…
…10110111110000
322221110220101012
413221202313300
5230323044443
620422330052
73115540403
oct751426760
9287426335
10128331248
1166492191
1236b89928
1320783066
1413087d3a
15b3ee118
hex7a62df0

128331248 has 10 divisors (see below), whose sum is σ = 248641824. Its totient is φ = 64165616.

The previous prime is 128331239. The next prime is 128331253. The reversal of 128331248 is 842133821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010336 + ... + 4010367.

Almost surely, 2128331248 is an apocalyptic number.

It is an amenable number.

128331248 is a deficient number, since it is larger than the sum of its proper divisors (120310576).

128331248 is an equidigital number, since it uses as much as digits as its factorization.

128331248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8020711 (or 8020705 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 128331248 is about 11328.3382717855. The cubic root of 128331248 is about 504.4027812405.

The spelling of 128331248 in words is "one hundred twenty-eight million, three hundred thirty-one thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 8020703 16041406 32082812 64165624 128331248