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470631840 = 25357140069
BaseRepresentation
bin11100000011010…
…100010110100000
31012210120120111220
4130003110112200
51430440204330
6114411135040
714443206330
oct3403242640
91183516456
10470631840
11221728738
12111744480
13766718a3
144670d0c0
152b4b6710
hex1c0d45a0

470631840 has 96 divisors (see below), whose sum is σ = 1694286720. Its totient is φ = 107572224.

The previous prime is 470631839. The next prime is 470631841. The reversal of 470631840 is 48136074.

It is an interprime number because it is at equal distance from previous prime (470631839) and next prime (470631841).

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (470631841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66675 + ... + 73394.

It is an arithmetic number, because the mean of its divisors is an integer number (17648820).

Almost surely, 2470631840 is an apocalyptic number.

470631840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

470631840 is an abundant number, since it is smaller than the sum of its proper divisors (1223654880).

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

470631840 is a wasteful number, since it uses less digits than its factorization.

470631840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140094 (or 140086 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 470631840 is about 21694.0507973960. The cubic root of 470631840 is about 777.8462610598.

The spelling of 470631840 in words is "four hundred seventy million, six hundred thirty-one thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 1120 1680 3360 140069 280138 420207 560276 700345 840414 980483 1120552 1400690 1680828 1960966 2101035 2241104 2801380 2941449 3361656 3921932 4202070 4482208 4902415 5602760 5882898 6723312 7843864 8404140 9804830 11205520 11765796 13446624 14707245 15687728 16808280 19609660 22411040 23531592 29414490 31375456 33616560 39219320 47063184 58828980 67233120 78438640 94126368 117657960 156877280 235315920 470631840