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494667740 = 2257372109
BaseRepresentation
bin11101011111000…
…000011111011100
31021110210201120102
4131133000133130
52003113331430
6121030240232
715154415000
oct3537003734
91243721512
10494667740
11234255216
121197b6078
137b639008
14499a8700
152d663345
hex1d7c07dc

494667740 has 48 divisors (see below), whose sum is σ = 1211448000. Its totient is φ = 169598016.

The previous prime is 494667737. The next prime is 494667749. The reversal of 494667740 is 47766494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494667749) 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 15 ways as a sum of consecutive naturals, for example, 29195 + ... + 42914.

It is an arithmetic number, because the mean of its divisors is an integer number (25238500).

Almost surely, 2494667740 is an apocalyptic number.

It is an amenable number.

494667740 is an abundant number, since it is smaller than the sum of its proper divisors (716780260).

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

494667740 is a wasteful number, since it uses less digits than its factorization.

494667740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72139 (or 72123 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 494667740 is about 22241.1272196352. The cubic root of 494667740 is about 790.8689578518.

The spelling of 494667740 in words is "four hundred ninety-four million, six hundred sixty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 343 490 686 980 1372 1715 3430 6860 72109 144218 288436 360545 504763 721090 1009526 1442180 2019052 2523815 3533341 5047630 7066682 10095260 14133364 17666705 24733387 35333410 49466774 70666820 98933548 123666935 247333870 494667740