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494216280 = 233254729209
BaseRepresentation
bin11101011101010…
…010010001011000
31021102221210021200
4131131102101120
52003004410110
6121012434200
715150524535
oct3535222130
91242853250
10494216280
11233a77008
12119618960
137b50b68c
14498cbd8c
152d5c46c0
hex1d752458

494216280 has 96 divisors (see below), whose sum is σ = 1640433600. Its totient is φ = 128982528.

The previous prime is 494216269. The next prime is 494216297. The reversal of 494216280 is 82612494.

494216280 is a `hidden beast` number, since 4 + 9 + 4 + 21 + 628 + 0 = 666.

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

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, 2316 + ... + 31524.

It is an arithmetic number, because the mean of its divisors is an integer number (17087850).

Almost surely, 2494216280 is an apocalyptic number.

494216280 is a gapful number since it is divisible by the number (40) 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 494216280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820216800).

494216280 is an abundant number, since it is smaller than the sum of its proper divisors (1146217320).

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

494216280 is a wasteful number, since it uses less digits than its factorization.

494216280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29273 (or 29266 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 494216280 is about 22230.9756870903. The cubic root of 494216280 is about 790.6282883104.

The spelling of 494216280 in words is "four hundred ninety-four million, two hundred sixteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 47 60 72 90 94 120 141 180 188 235 282 360 376 423 470 564 705 846 940 1128 1410 1692 1880 2115 2820 3384 4230 5640 8460 16920 29209 58418 87627 116836 146045 175254 233672 262881 292090 350508 438135 525762 584180 701016 876270 1051524 1168360 1314405 1372823 1752540 2103048 2628810 2745646 3505080 4118469 5257620 5491292 6864115 8236938 10515240 10982584 12355407 13728230 16473876 20592345 24710814 27456460 32947752 41184690 49421628 54912920 61777035 82369380 98843256 123554070 164738760 247108140 494216280