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494837490 = 23576138629
BaseRepresentation
bin11101011111101…
…001111011110010
31021111010100102110
4131133221323302
52003134244430
6121034030150
715156022620
oct3537517362
91244110373
10494837490
11234360804
12119878356
137b698364
1449a10510
152d6987b0
hex1d7e9ef2

494837490 has 64 divisors (see below), whose sum is σ = 1379554560. Its totient is φ = 111248640.

The previous prime is 494837471. The next prime is 494837503. The reversal of 494837490 is 94738494.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6505 + ... + 32124.

It is an arithmetic number, because the mean of its divisors is an integer number (21555540).

Almost surely, 2494837490 is an apocalyptic number.

494837490 is an abundant number, since it is smaller than the sum of its proper divisors (884717070).

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

494837490 is a wasteful number, since it uses less digits than its factorization.

494837490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38707.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 494837490 is about 22244.9430208306. The cubic root of 494837490 is about 790.9594122729.

The spelling of 494837490 in words is "four hundred ninety-four million, eight hundred thirty-seven thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 61 70 105 122 183 210 305 366 427 610 854 915 1281 1830 2135 2562 4270 6405 12810 38629 77258 115887 193145 231774 270403 386290 540806 579435 811209 1158870 1352015 1622418 2356369 2704030 4056045 4712738 7069107 8112090 11781845 14138214 16494583 23563690 32989166 35345535 49483749 70691070 82472915 98967498 164945830 247418745 494837490