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490074584220 = 2232513209433583
BaseRepresentation
bin1110010000110101011…
…10001011010010011100
31201211222010210100102200
413020122232023102130
531012133043143340
61013045343051500
750256335143164
oct7103256132234
91654863710380
10490074584220
11179926365741
127ab90ba0b90
13372a1a458a0
1419a10d575a4
15cb345a9330
hex721ab8b49c

490074584220 has 72 divisors (see below), whose sum is σ = 1600910316096. Its totient is φ = 120633743232.

The previous prime is 490074584203. The next prime is 490074584231. The reversal of 490074584220 is 22485470094.

490074584220 is a `hidden beast` number, since 49 + 0 + 0 + 7 + 4 + 584 + 2 + 20 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104714452 + ... + 104719131.

Almost surely, 2490074584220 is an apocalyptic number.

It is an amenable number.

490074584220 is an abundant number, since it is smaller than the sum of its proper divisors (1110835731876).

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

490074584220 is a wasteful number, since it uses less digits than its factorization.

490074584220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209433611 (or 209433606 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 490074584220 in words is "four hundred ninety billion, seventy-four million, five hundred eighty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 209433583 418867166 628300749 837734332 1047167915 1256601498 1884902247 2094335830 2513202996 2722636579 3141503745 3769804494 4188671660 5445273158 6283007490 7539608988 8167909737 9424511235 10890546316 12566014980 13613182895 16335819474 18849022470 24503729211 27226365790 32671638948 37698044940 40839548685 49007458422 54452731580 81679097370 98014916844 122518646055 163358194740 245037292110 490074584220