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494272947 = 373480343
BaseRepresentation
bin11101011101100…
…000000110110011
31021110001200000110
4131131200012303
52003013213242
6121013552403
715151152000
oct3535400663
91243050013
10494272947
11234005643
12119645703
137b52b3cc
14499048a7
152d5d639c
hex1d7601b3

494272947 has 16 divisors (see below), whose sum is σ = 768550400. Its totient is φ = 282441096.

The previous prime is 494272927. The next prime is 494272979. The reversal of 494272947 is 749272494.

It is not a de Polignac number, because 494272947 - 220 = 493224371 is a prime.

It is a super-3 number, since 3×4942729473 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 494272896 and 494272905.

It is not an unprimeable number, because it can be changed into a prime (494272927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239143 + ... + 241200.

It is an arithmetic number, because the mean of its divisors is an integer number (48034400).

Almost surely, 2494272947 is an apocalyptic number.

494272947 is a deficient number, since it is larger than the sum of its proper divisors (274277453).

494272947 is an equidigital number, since it uses as much as digits as its factorization.

494272947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480367 (or 480353 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 48.

The square root of 494272947 is about 22232.2501560233. The cubic root of 494272947 is about 790.6585050547.

The spelling of 494272947 in words is "four hundred ninety-four million, two hundred seventy-two thousand, nine hundred forty-seven".

Divisors: 1 3 7 21 49 147 343 1029 480343 1441029 3362401 10087203 23536807 70610421 164757649 494272947