Search a number
-
+
488552480 = 255131931217
BaseRepresentation
bin11101000111101…
…011100000100000
31021001022001000022
4131013223200200
52000032134410
6120251213012
715051425153
oct3507534040
91231261008
10488552480
11230858789
12117747168
137a2a7710
1448c55c9a
152cd56455
hex1d1eb820

488552480 has 96 divisors (see below), whose sum is σ = 1250457264. Its totient is φ = 179306496.

The previous prime is 488552479. The next prime is 488552483. The reversal of 488552480 is 84255884.

It can be written as a sum of positive squares in 8 ways, for example, as 42667024 + 445885456 = 6532^2 + 21116^2 .

It is not an unprimeable number, because it can be changed into a prime (488552483) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 400832 + ... + 402048.

Almost surely, 2488552480 is an apocalyptic number.

488552480 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 488552480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625228632).

488552480 is an abundant number, since it is smaller than the sum of its proper divisors (761904784).

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

488552480 is a wasteful number, since it uses less digits than its factorization.

488552480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 44.

The square root of 488552480 is about 22103.2232943523. The cubic root of 488552480 is about 787.5964333071.

The spelling of 488552480 in words is "four hundred eighty-eight million, five hundred fifty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 193 208 260 386 416 520 772 965 1040 1217 1544 1930 2080 2434 2509 3088 3860 4868 5018 6085 6176 7720 9736 10036 12170 12545 15440 15821 19472 20072 24340 25090 30880 31642 38944 40144 48680 50180 63284 79105 80288 97360 100360 126568 158210 194720 200720 234881 253136 316420 401440 469762 506272 632840 939524 1174405 1265680 1879048 2348810 2531360 3053453 3758096 4697620 6106906 7516192 9395240 12213812 15267265 18790480 24427624 30534530 37580960 48855248 61069060 97710496 122138120 244276240 488552480