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4663680 = 27357347
BaseRepresentation
bin10001110010100110000000
322202221100220
4101302212000
52143214210
6243543040
754432510
oct21624600
98687326
104663680
1126a598a
12168aa80
13c73998
14895840
15621c70
hex472980

4663680 has 128 divisors (see below), whose sum is σ = 17038080. Its totient is φ = 1062912.

The previous prime is 4663657. The next prime is 4663691. The reversal of 4663680 is 863664.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×46636802 = 43499822284800, which contains 22 as substring.

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, 13267 + ... + 13613.

It is an arithmetic number, because the mean of its divisors is an integer number (133110).

Almost surely, 24663680 is an apocalyptic number.

4663680 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 4663680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8519040).

4663680 is an abundant number, since it is smaller than the sum of its proper divisors (12374400).

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

4663680 is a wasteful number, since it uses less digits than its factorization.

4663680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 4663680 is about 2159.5555098214. Note that the first 4 decimals coincide. The cubic root of 4663680 is about 167.0742734388.

The spelling of 4663680 in words is "four million, six hundred sixty-three thousand, six hundred eighty".

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 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 347 384 420 448 480 560 640 672 694 840 896 960 1041 1120 1344 1388 1680 1735 1920 2082 2240 2429 2688 2776 3360 3470 4164 4480 4858 5205 5552 6720 6940 7287 8328 9716 10410 11104 12145 13440 13880 14574 16656 19432 20820 22208 24290 27760 29148 33312 36435 38864 41640 44416 48580 55520 58296 66624 72870 77728 83280 97160 111040 116592 133248 145740 155456 166560 194320 222080 233184 291480 310912 333120 388640 466368 582960 666240 777280 932736 1165920 1554560 2331840 4663680