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493727400720 = 243252386928729
BaseRepresentation
bin1110010111101000111…
…00100100001100010000
31202012101201012122122200
413023310130210030100
531042123203310340
61014452031403200
750446011443031
oct7136434441420
91665351178580
10493727400720
11180430278854
127b830383500
1337734759078
1419c7a134a88
15cc9a100330
hex72f4724310

493727400720 has 120 divisors (see below), whose sum is σ = 1658228371800. Its totient is φ = 131650541568.

The previous prime is 493727400689. The next prime is 493727400739. The reversal of 493727400720 is 27004727394.

493727400720 is a `hidden beast` number, since 493 + 72 + 74 + 0 + 0 + 7 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77346284544 + 416381116176 = 278112^2 + 645276^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 17171316 + ... + 17200044.

It is an arithmetic number, because the mean of its divisors is an integer number (13818569765).

Almost surely, 2493727400720 is an apocalyptic number.

493727400720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

493727400720 is an abundant number, since it is smaller than the sum of its proper divisors (1164500971080).

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

493727400720 is a wasteful number, since it uses less digits than its factorization.

493727400720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52617 (or 52608 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 45.

The spelling of 493727400720 in words is "four hundred ninety-three billion, seven hundred twenty-seven million, four hundred thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 23869 28729 47738 57458 71607 86187 95476 114916 119345 143214 143645 172374 190952 214821 229832 238690 258561 286428 287290 344748 358035 381904 429642 430935 459664 477380 517122 572856 574580 689496 716070 859284 861870 954760 1034244 1074105 1145712 1149160 1292805 1378992 1432140 1718568 1723740 1909520 2068488 2148210 2298320 2585610 2864280 3437136 3447480 4136976 4296420 5171220 5728560 6894960 8592840 10342440 17185680 20684880 685732501 1371465002 2057197503 2742930004 3428662505 4114395006 5485860008 6171592509 6857325010 8228790012 10285987515 10971720016 12343185018 13714650020 16457580024 20571975030 24686370036 27429300040 30857962545 32915160048 41143950060 49372740072 54858600080 61715925090 82287900120 98745480144 123431850180 164575800240 246863700360 493727400720