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488728708 = 221337389653
BaseRepresentation
bin11101001000010…
…110100010000100
31021001121222202021
4131020112202010
52000103304313
6120255052524
715053061016
oct3510264204
91231558667
10488728708
11230969126
12117811144
137a3399b0
1448ca01b6
152cd8d78d
hex1d216884

488728708 has 48 divisors (see below), whose sum is σ = 949843440. Its totient is φ = 218571264.

The previous prime is 488728687. The next prime is 488728711. The reversal of 488728708 is 807827884.

It can be written as a sum of positive squares in 8 ways, for example, as 29398084 + 459330624 = 5422^2 + 21432^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 748110 + ... + 748762.

It is an arithmetic number, because the mean of its divisors is an integer number (19788405).

Almost surely, 2488728708 is an apocalyptic number.

It is an amenable number.

488728708 is a deficient number, since it is larger than the sum of its proper divisors (461114732).

488728708 is a wasteful number, since it uses less digits than its factorization.

488728708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 1605632, while the sum is 52.

The square root of 488728708 is about 22107.2094123162. The cubic root of 488728708 is about 787.6911210937.

The spelling of 488728708 in words is "four hundred eighty-eight million, seven hundred twenty-eight thousand, seven hundred eight".

Divisors: 1 2 4 13 26 37 52 74 148 389 481 653 778 962 1306 1556 1924 2612 5057 8489 10114 14393 16978 20228 24161 28786 33956 48322 57572 96644 187109 254017 314093 374218 508034 628186 748436 1016068 1256372 3302221 6604442 9398629 13208884 18797258 37594516 122182177 244364354 488728708