Search a number
-
+
2555215200 = 253352118297
BaseRepresentation
bin1001100001001101…
…0111110101100000
320121002002101022000
42120103113311200
520213113341300
61101315044000
7120214653666
oct23023276540
96532071260
102555215200
1110a1396aaa
125b38a0600
133194c2575
141a3504c36
15ee4d5c00
hex984d7d60

2555215200 has 144 divisors (see below), whose sum is σ = 9241439760. Its totient is φ = 681384960.

The previous prime is 2555215193. The next prime is 2555215213. The reversal of 2555215200 is 25125552.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×25552152002 = 13058249436622080000, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37549 + ... + 80748.

It is an arithmetic number, because the mean of its divisors is an integer number (64176665).

Almost surely, 22555215200 is an apocalyptic number.

2555215200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2555215200 is an abundant number, since it is smaller than the sum of its proper divisors (6686224560).

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

2555215200 is a wasteful number, since it uses less digits than its factorization.

2555215200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118326 (or 118307 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 2555215200 is about 50549.1364911410. The cubic root of 2555215200 is about 1367.1279452894.

The spelling of 2555215200 in words is "two billion, five hundred fifty-five million, two hundred fifteen thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 72 75 80 90 96 100 108 120 135 144 150 160 180 200 216 225 240 270 288 300 360 400 432 450 480 540 600 675 720 800 864 900 1080 1200 1350 1440 1800 2160 2400 2700 3600 4320 5400 7200 10800 21600 118297 236594 354891 473188 591485 709782 946376 1064673 1182970 1419564 1774455 1892752 2129346 2365940 2839128 2957425 3194019 3548910 3785504 4258692 4731880 5323365 5678256 5914850 6388038 7097820 8517384 8872275 9463760 10646730 11356512 11829700 12776076 14195640 15970095 17034768 17744550 18927520 21293460 23659400 25552152 26616825 28391280 31940190 34069536 35489100 42586920 47318800 51104304 53233650 56782560 63880380 70978200 79850475 85173840 94637600 102208608 106467300 127760760 141956400 159700950 170347680 212934600 255521520 283912800 319401900 425869200 511043040 638803800 851738400 1277607600 2555215200