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540846720 = 2734510433
BaseRepresentation
bin100000001111001…
…010101010000000
31101200200212020000
4200033022222000
52101424043340
6125400120000
716255056411
oct4017125200
91350625200
10540846720
11258326167
12131166000
138808715b
1451b89808
1532735d30
hex203caa80

540846720 has 160 divisors (see below), whose sum is σ = 1931646420. Its totient is φ = 144211968.

The previous prime is 540846673. The next prime is 540846737. The reversal of 540846720 is 27648045.

540846720 is a `hidden beast` number, since 540 + 8 + 46 + 72 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 540841536 + 5184 = 23256^2 + 72^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46624 + ... + 57056.

Almost surely, 2540846720 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 540846720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965823210).

540846720 is an abundant number, since it is smaller than the sum of its proper divisors (1390799700).

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

540846720 is a wasteful number, since it uses less digits than its factorization.

540846720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464 (or 10443 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 540846720 is about 23256.1114548413. Note that the first 3 decimals coincide. The cubic root of 540846720 is about 814.7506833966.

The spelling of 540846720 in words is "five hundred forty million, eight hundred forty-six thousand, seven hundred twenty".

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 96 108 120 128 135 144 160 162 180 192 216 240 270 288 320 324 360 384 405 432 480 540 576 640 648 720 810 864 960 1080 1152 1296 1440 1620 1728 1920 2160 2592 2880 3240 3456 4320 5184 5760 6480 8640 10368 10433 12960 17280 20866 25920 31299 41732 51840 52165 62598 83464 93897 104330 125196 156495 166928 187794 208660 250392 281691 312990 333856 375588 417320 469485 500784 563382 625980 667712 751176 834640 845073 938970 1001568 1126764 1251960 1335424 1408455 1502352 1669280 1690146 1877940 2003136 2253528 2503920 2816910 3004704 3338560 3380292 3755880 4006272 4225365 4507056 5007840 5633820 6009408 6677120 6760584 7511760 8450730 9014112 10015680 11267640 12018816 13521168 15023520 16901460 18028224 20031360 22535280 27042336 30047040 33802920 36056448 45070560 54084672 60094080 67605840 90141120 108169344 135211680 180282240 270423360 540846720