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2905270240 = 255192179281
BaseRepresentation
bin1010110100101010…
…1110011111100000
321111110210000112111
42231022232133200
521422222121430
61200142005104
7131665250425
oct25512563740
97443700474
102905270240
111260a49594
12690b76794
13373b97822
141d7bc7d4c
151200d0c2a
hexad2ae7e0

2905270240 has 144 divisors (see below), whose sum is σ = 7310353680. Its totient is φ = 1090897920.

The previous prime is 2905270219. The next prime is 2905270253. The reversal of 2905270240 is 420725092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10338900 + ... + 10339180.

It is an arithmetic number, because the mean of its divisors is an integer number (50766345).

Almost surely, 22905270240 is an apocalyptic number.

2905270240 is a gapful number since it is divisible by the number (20) 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 2905270240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655176840).

2905270240 is an abundant number, since it is smaller than the sum of its proper divisors (4405083440).

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

2905270240 is a wasteful number, since it uses less digits than its factorization.

2905270240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 2905270240 is about 53900.5588097192. The cubic root of 2905270240 is about 1426.9064852427.

The spelling of 2905270240 in words is "two billion, nine hundred five million, two hundred seventy thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 179 190 281 304 358 361 380 562 608 716 722 760 895 1124 1405 1432 1444 1520 1790 1805 2248 2810 2864 2888 3040 3401 3580 3610 4496 5339 5620 5728 5776 6802 7160 7220 8992 10678 11240 11552 13604 14320 14440 17005 21356 22480 26695 27208 28640 28880 34010 42712 44960 50299 53390 54416 57760 64619 68020 85424 100598 101441 106780 108832 129238 136040 170848 201196 202882 213560 251495 258476 272080 323095 402392 405764 427120 502990 507205 516952 544160 646190 804784 811528 854240 955681 1005980 1014410 1033904 1292380 1609568 1623056 1911362 2011960 2028820 2067808 2584760 3246112 3822724 4023920 4057640 4778405 5169520 7645448 8047840 8115280 9556810 10339040 15290896 16230560 18157939 19113620 30581792 36315878 38227240 72631756 76454480 90789695 145263512 152908960 181579390 290527024 363158780 581054048 726317560 1452635120 2905270240