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494947473 = 31961283503
BaseRepresentation
bin11101100000000…
…100110010010001
31021111022221021220
4131200010302101
52003201304343
6121040235253
715156661356
oct3540046221
91244287256
10494947473
112344263a9
1211990bb29
137b706437
1449a3c62d
152d6bb183
hex1d804c91

494947473 has 32 divisors (see below), whose sum is σ = 709954560. Its totient is φ = 305778240.

The previous prime is 494947421. The next prime is 494947493. The reversal of 494947473 is 374749494.

It is not a de Polignac number, because 494947473 - 28 = 494947217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (494947493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983740 + ... + 984242.

It is an arithmetic number, because the mean of its divisors is an integer number (22186080).

Almost surely, 2494947473 is an apocalyptic number.

It is an amenable number.

494947473 is a deficient number, since it is larger than the sum of its proper divisors (215007087).

494947473 is a wasteful number, since it uses less digits than its factorization.

494947473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869.

The product of its digits is 3048192, while the sum is 51.

The square root of 494947473 is about 22247.4149734301. The cubic root of 494947473 is about 791.0180077017.

The spelling of 494947473 in words is "four hundred ninety-four million, nine hundred forty-seven thousand, four hundred seventy-three".

Divisors: 1 3 19 57 61 183 283 503 849 1159 1509 3477 5377 9557 16131 17263 28671 30683 51789 92049 142349 327997 427047 582977 983991 1748931 2704631 8113893 8683289 26049867 164982491 494947473