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470331680 = 25571332303
BaseRepresentation
bin11100000010001…
…011000100100000
31012210000022202212
4130002023010200
51430401103210
6114400501252
714440516250
oct3402130440
91183008685
10470331680
11221543175
1211161a828
1376598090
1446671960
152b457805
hex1c08b120

470331680 has 96 divisors (see below), whose sum is σ = 1367622144. Its totient is φ = 148847616.

The previous prime is 470331671. The next prime is 470331683. The reversal of 470331680 is 86133074.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (470331683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1592 + ... + 30711.

It is an arithmetic number, because the mean of its divisors is an integer number (14246064).

Almost surely, 2470331680 is an apocalyptic number.

470331680 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 470331680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683811072).

470331680 is an abundant number, since it is smaller than the sum of its proper divisors (897290464).

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

470331680 is a wasteful number, since it uses less digits than its factorization.

470331680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32338 (or 32330 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 470331680 is about 21687.1316683419. The cubic root of 470331680 is about 777.6808607281.

The spelling of 470331680 in words is "four hundred seventy million, three hundred thirty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 80 91 104 112 130 140 160 182 208 224 260 280 364 416 455 520 560 728 910 1040 1120 1456 1820 2080 2912 3640 7280 14560 32303 64606 129212 161515 226121 258424 323030 419939 452242 516848 646060 839878 904484 1033696 1130605 1292120 1679756 1808968 2099695 2261210 2584240 2939573 3359512 3617936 4199390 4522420 5168480 5879146 6719024 7235872 8398780 9044840 11758292 13438048 14697865 16797560 18089680 23516584 29395730 33595120 36179360 47033168 58791460 67190240 94066336 117582920 235165840 470331680