Search a number
-
+
488553120 = 253451123149
BaseRepresentation
bin11101000111101…
…011101010100000
31021001022001220000
4131013223222200
52000032144440
6120251220000
715051430056
oct3507535240
91231261800
10488553120
11230859210
12117747600
137a2a7ab3
1448c561d6
152cd56730
hex1d1ebaa0

488553120 has 480 divisors, whose sum is σ = 1975881600. Its totient is φ = 112527360.

The previous prime is 488553077. The next prime is 488553133. The reversal of 488553120 is 21355884.

It is a happy number.

488553120 is a `hidden beast` number, since 4 + 88 + 553 + 1 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3278806 + ... + 3278954.

It is an arithmetic number, because the mean of its divisors is an integer number (4116420).

Almost surely, 2488553120 is an apocalyptic number.

488553120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 488553120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (987940800).

488553120 is an abundant number, since it is smaller than the sum of its proper divisors (1487328480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

488553120 is a wasteful number, since it uses less digits than its factorization.

488553120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 488553120 is about 22103.2377718741. The cubic root of 488553120 is about 787.5967772220.

The spelling of 488553120 in words is "four hundred eighty-eight million, five hundred fifty-three thousand, one hundred twenty".