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485221200 = 243521392909
BaseRepresentation
bin11100111010111…
…110001101010000
31020211000210100120
4130322332031100
51443204034300
6120051550240
715011212032
oct3472761520
91224023316
10485221200
11229992962
121165bb380
13796ac349
1448629c52
152c8e93a0
hex1cebe350

485221200 has 120 divisors (see below), whose sum is σ = 1566045600. Its totient is φ = 128417280.

The previous prime is 485221199. The next prime is 485221213. The reversal of 485221200 is 2122584.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×4852212002 = 470879225858880000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165346 + ... + 168254.

It is an arithmetic number, because the mean of its divisors is an integer number (13050380).

Almost surely, 2485221200 is an apocalyptic number.

485221200 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 485221200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (783022800).

485221200 is an abundant number, since it is smaller than the sum of its proper divisors (1080824400).

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

485221200 is a wasteful number, since it uses less digits than its factorization.

485221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069 (or 3058 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 485221200 is about 22027.7370603519. The cubic root of 485221200 is about 785.8022280157.

Adding to 485221200 its reverse (2122584), we get a palindrome (487343784).

The spelling of 485221200 in words is "four hundred eighty-five million, two hundred twenty-one thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 40 48 50 60 75 80 100 120 139 150 200 240 278 300 400 417 556 600 695 834 1112 1200 1390 1668 2085 2224 2780 2909 3336 3475 4170 5560 5818 6672 6950 8340 8727 10425 11120 11636 13900 14545 16680 17454 20850 23272 27800 29090 33360 34908 41700 43635 46544 55600 58180 69816 72725 83400 87270 116360 139632 145450 166800 174540 218175 232720 290900 349080 404351 436350 581800 698160 808702 872700 1163600 1213053 1617404 1745400 2021755 2426106 3234808 3490800 4043510 4852212 6065265 6469616 8087020 9704424 10108775 12130530 16174040 19408848 20217550 24261060 30326325 32348080 40435100 48522120 60652650 80870200 97044240 121305300 161740400 242610600 485221200