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488306880 = 2634518839
BaseRepresentation
bin11101000110101…
…111100011000000
31021000211120010000
4131012233203000
52000001310010
6120242040000
715046353135
oct3506574300
91230746100
10488306880
11230700206
12117649000
137a21c9a9
1448bd058c
152cd087c0
hex1d1af8c0

488306880 has 140 divisors (see below), whose sum is σ = 1737085680. Its totient is φ = 130208256.

The previous prime is 488306879. The next prime is 488306881. The reversal of 488306880 is 88603884.

488306880 is a `hidden beast` number, since 488 + 30 + 68 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (488306879) and next prime (488306881).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (488306881) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16501 + ... + 35339.

Almost surely, 2488306880 is an apocalyptic number.

488306880 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 488306880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868542840).

488306880 is an abundant number, since it is smaller than the sum of its proper divisors (1248778800).

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

488306880 is a wasteful number, since it uses less digits than its factorization.

488306880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18868 (or 18849 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 488306880 is about 22097.6668451672. Note that the first 3 decimals coincide. The cubic root of 488306880 is about 787.4644337679.

The spelling of 488306880 in words is "four hundred eighty-eight million, three hundred six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 135 144 160 162 180 192 216 240 270 288 320 324 360 405 432 480 540 576 648 720 810 864 960 1080 1296 1440 1620 1728 2160 2592 2880 3240 4320 5184 6480 8640 12960 18839 25920 37678 56517 75356 94195 113034 150712 169551 188390 226068 282585 301424 339102 376780 452136 508653 565170 602848 678204 753560 847755 904272 1017306 1130340 1205696 1356408 1507120 1525959 1695510 1808544 2034612 2260680 2543265 2712816 3014240 3051918 3391020 3617088 4069224 4521360 5086530 5425632 6028480 6103836 6782040 7629795 8138448 9042720 10173060 10851264 12207672 13564080 15259590 16276896 18085440 20346120 24415344 27128160 30519180 32553792 40692240 48830688 54256320 61038360 81384480 97661376 122076720 162768960 244153440 488306880