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485640304 = 24192831013
BaseRepresentation
bin11100111100100…
…100100001110000
31020211211002020221
4130330210201300
51443310442204
6120104542424
715014605642
oct3474444160
91224732227
10485640304
1122a149826
12116781a14
13797c8036
14486d8892
152c97d654
hex1cf24870

485640304 has 60 divisors (see below), whose sum is σ = 1006013736. Its totient is φ = 227044224.

The previous prime is 485640301. The next prime is 485640317. The reversal of 485640304 is 403046584.

It is a self number, because there is not a number n which added to its sum of digits gives 485640304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485640301) 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 11 ways as a sum of consecutive naturals, for example, 478902 + ... + 479914.

Almost surely, 2485640304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485640304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503006868).

485640304 is an abundant number, since it is smaller than the sum of its proper divisors (520373432).

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

485640304 is a wasteful number, since it uses less digits than its factorization.

485640304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 485640304 is about 22037.2481040624. The cubic root of 485640304 is about 786.0284053298.

Adding to 485640304 its reverse (403046584), we get a palindrome (888686888).

The spelling of 485640304 in words is "four hundred eighty-five million, six hundred forty thousand, three hundred four".

Divisors: 1 2 4 8 16 19 38 76 83 152 166 304 332 361 664 722 1013 1328 1444 1577 2026 2888 3154 4052 5776 6308 8104 12616 16208 19247 25232 29963 38494 59926 76988 84079 119852 153976 168158 239704 307952 336316 365693 479408 672632 731386 1345264 1462772 1597501 2925544 3195002 5851088 6390004 12780008 25560016 30352519 60705038 121410076 242820152 485640304