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5246640 = 243357347
BaseRepresentation
bin10100000000111010110000
3100212120001000
4110000322300
52320343030
6304242000
762411220
oct24007260
910776030
105246640
112a63973
121910300
131119129
149a8080
156d9860
hex500eb0

5246640 has 160 divisors (see below), whose sum is σ = 20712960. Its totient is φ = 1195776.

The previous prime is 5246623. The next prime is 5246663. The reversal of 5246640 is 466425.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14947 + ... + 15293.

It is an arithmetic number, because the mean of its divisors is an integer number (129456).

Almost surely, 25246640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5246640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10356480).

5246640 is an abundant number, since it is smaller than the sum of its proper divisors (15466320).

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

5246640 is a wasteful number, since it uses less digits than its factorization.

5246640 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 5760, while the sum is 27.

The square root of 5246640 is about 2290.5545180152. The cubic root of 5246640 is about 173.7642467141.

It can be divided in two parts, 5246 and 640, that added together give a triangular number (5886 = T108).

The spelling of 5246640 in words is "five million, two hundred forty-six thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 63 70 72 80 84 90 105 108 112 120 126 135 140 144 168 180 189 210 216 240 252 270 280 315 336 347 360 378 420 432 504 540 560 630 694 720 756 840 945 1008 1041 1080 1260 1388 1512 1680 1735 1890 2082 2160 2429 2520 2776 3024 3123 3470 3780 4164 4858 5040 5205 5552 6246 6940 7287 7560 8328 9369 9716 10410 12145 12492 13880 14574 15120 15615 16656 18738 19432 20820 21861 24290 24984 27760 29148 31230 36435 37476 38864 41640 43722 46845 48580 49968 58296 62460 65583 72870 74952 83280 87444 93690 97160 109305 116592 124920 131166 145740 149904 174888 187380 194320 218610 249840 262332 291480 327915 349776 374760 437220 524664 582960 655830 749520 874440 1049328 1311660 1748880 2623320 5246640