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485384880 = 243519910163
BaseRepresentation
bin11100111011100…
…110001010110000
31020211100002212210
4130323212022300
51443224304010
6120055252120
715012463161
oct3473461260
91224302783
10485384880
11229a94932
1211667a040
13797389b6
144866d768
152c92cb20
hex1cee62b0

485384880 has 80 divisors (see below), whose sum is σ = 1512403200. Its totient is φ = 128772864.

The previous prime is 485384843. The next prime is 485384899. The reversal of 485384880 is 88483584.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×4853848802 = 471196963465228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42679 + ... + 52841.

It is an arithmetic number, because the mean of its divisors is an integer number (18905040).

Almost surely, 2485384880 is an apocalyptic number.

485384880 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 485384880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756201600).

485384880 is an abundant number, since it is smaller than the sum of its proper divisors (1027018320).

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

485384880 is a wasteful number, since it uses less digits than its factorization.

485384880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378 (or 10372 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 48.

The square root of 485384880 is about 22031.4520629032. The cubic root of 485384880 is about 785.8905764836.

The spelling of 485384880 in words is "four hundred eighty-five million, three hundred eighty-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 199 240 398 597 796 995 1194 1592 1990 2388 2985 3184 3980 4776 5970 7960 9552 10163 11940 15920 20326 23880 30489 40652 47760 50815 60978 81304 101630 121956 152445 162608 203260 243912 304890 406520 487824 609780 813040 1219560 2022437 2439120 4044874 6067311 8089748 10112185 12134622 16179496 20224370 24269244 30336555 32358992 40448740 48538488 60673110 80897480 97076976 121346220 161794960 242692440 485384880