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494703090 = 232572334141
BaseRepresentation
bin11101011111001…
…001000111110010
31021110212112001200
4131133021013302
52003120444330
6121031112030
715154623030
oct3537110762
91243775050
10494703090
11234279832
12119812616
137b64c12b
14499b7550
152d66da60
hex1d7c91f2

494703090 has 96 divisors (see below), whose sum is σ = 1533931776. Its totient is φ = 108155520.

The previous prime is 494703071. The next prime is 494703091. The reversal of 494703090 is 90307494.

It is a super-2 number, since 2×4947030902 = 489462294511096200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (494703091) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 2581 + ... + 31560.

It is an arithmetic number, because the mean of its divisors is an integer number (15978456).

Almost surely, 2494703090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494703090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (766965888).

494703090 is an abundant number, since it is smaller than the sum of its proper divisors (1039228686).

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

494703090 is a wasteful number, since it uses less digits than its factorization.

494703090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34184 (or 34181 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 494703090 is about 22241.9219043679. The cubic root of 494703090 is about 790.8877964576.

The spelling of 494703090 in words is "four hundred ninety-four million, seven hundred three thousand, ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 23 30 35 42 45 46 63 69 70 90 105 115 126 138 161 207 210 230 315 322 345 414 483 630 690 805 966 1035 1449 1610 2070 2415 2898 4830 7245 14490 34141 68282 102423 170705 204846 238987 307269 341410 477974 512115 614538 716961 785243 1024230 1194935 1433922 1536345 1570486 2150883 2355729 2389870 3072690 3584805 3926215 4301766 4711458 5496701 7067187 7169610 7852430 10754415 10993402 11778645 14134374 16490103 21508830 23557290 27483505 32980206 35335935 49470309 54967010 70671870 82450515 98940618 164901030 247351545 494703090