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494885286 = 232719372151
BaseRepresentation
bin11101011111110…
…101100110100110
31021111012202222200
4131133311212212
52003142312121
6121035035330
715156312150
oct3537654646
91244182880
10494885286
11234393705
1211989bb46
137b6b403c
1449a23ad0
152d6a7a26
hex1d7f59a6

494885286 has 144 divisors (see below), whose sum is σ = 1334511360. Its totient is φ = 129470400.

The previous prime is 494885269. The next prime is 494885291. The reversal of 494885286 is 682588494.

It is a super-2 number, since 2×4948852862 = 489822892598603592, which contains 22 as substring.

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 71 ways as a sum of consecutive naturals, for example, 3277311 + ... + 3277461.

It is an arithmetic number, because the mean of its divisors is an integer number (9267440).

Almost surely, 2494885286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494885286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667255680).

494885286 is an abundant number, since it is smaller than the sum of its proper divisors (839626074).

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

494885286 is a wasteful number, since it uses less digits than its factorization.

494885286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 219 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The square root of 494885286 is about 22246.0173064753. The cubic root of 494885286 is about 790.9848775214.

The spelling of 494885286 in words is "four hundred ninety-four million, eight hundred eighty-five thousand, two hundred eighty-six".

Divisors: 1 2 3 6 7 9 14 18 19 21 37 38 42 57 63 74 111 114 126 133 151 171 222 259 266 302 333 342 399 453 518 666 703 777 798 906 1057 1197 1359 1369 1406 1554 2109 2114 2331 2394 2718 2738 2869 3171 4107 4218 4662 4921 5587 5738 6327 6342 8214 8607 9513 9583 9842 11174 12321 12654 14763 16761 17214 19026 19166 20083 24642 25821 26011 28749 29526 33522 39109 40166 44289 50283 51642 52022 57498 60249 78033 78218 86247 88578 100566 106153 117327 120498 156066 172494 180747 182077 206719 212306 234099 234654 318459 351981 361494 364154 413438 468198 546231 620157 636918 703962 743071 955377 1092462 1240314 1447033 1486142 1638693 1860471 1910754 2229213 2894066 3277386 3720942 3927661 4341099 4458426 6687639 7855322 8682198 11782983 13023297 13375278 23565966 26046594 27493627 35348949 54987254 70697898 82480881 164961762 247442643 494885286