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487406320 = 24517443809
BaseRepresentation
bin11101000011010…
…011101011110000
31020222010210202221
4131003103223300
51444234000240
6120210450424
715035612452
oct3503235360
91228123687
10487406320
11230145645
12117293a14
1379c95b0b
1448a382d2
152cbcba4a
hex1d0d3af0

487406320 has 80 divisors (see below), whose sum is σ = 1204074720. Its totient is φ = 182853632.

The previous prime is 487406251. The next prime is 487406351. The reversal of 487406320 is 23604784.

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

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

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, 602076 + ... + 602884.

It is an arithmetic number, because the mean of its divisors is an integer number (15050934).

Almost surely, 2487406320 is an apocalyptic number.

487406320 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 487406320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602037360).

487406320 is an abundant number, since it is smaller than the sum of its proper divisors (716668400).

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

487406320 is a wasteful number, since it uses less digits than its factorization.

487406320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 487406320 is about 22077.2806296428. The cubic root of 487406320 is about 786.9800420856.

The spelling of 487406320 in words is "four hundred eighty-seven million, four hundred six thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 443 680 809 886 1360 1618 1772 2215 3236 3544 4045 4430 6472 7088 7531 8090 8860 12944 13753 15062 16180 17720 27506 30124 32360 35440 37655 55012 60248 64720 68765 75310 110024 120496 137530 150620 220048 275060 301240 358387 550120 602480 716774 1100240 1433548 1791935 2867096 3583870 5734192 6092579 7167740 12185158 14335480 24370316 28670960 30462895 48740632 60925790 97481264 121851580 243703160 487406320