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491094882 = 23237937193
BaseRepresentation
bin11101010001011…
…000001101100010
31021020002012112100
4131101120031202
52001210014012
6120421511230
715112144335
oct3521301542
91236065470
10491094882
11232234943
12118572516
137a9879b5
144931861c
152d1a98dc
hex1d458362

491094882 has 24 divisors (see below), whose sum is σ = 1064467404. Its totient is φ = 163632384.

The previous prime is 491094847. The next prime is 491094887. The reversal of 491094882 is 288490194.

It can be written as a sum of positive squares in 2 ways, for example, as 401962401 + 89132481 = 20049^2 + 9441^2 .

It is not an unprimeable number, because it can be changed into a prime (491094887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64678 + ... + 71870.

Almost surely, 2491094882 is an apocalyptic number.

491094882 is an abundant number, since it is smaller than the sum of its proper divisors (573372522).

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

491094882 is a wasteful number, since it uses less digits than its factorization.

491094882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10994 (or 10991 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 491094882 is about 22160.6606850969. The cubic root of 491094882 is about 788.9602740387.

The spelling of 491094882 in words is "four hundred ninety-one million, ninety-four thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 3793 7193 7586 11379 14386 21579 22758 34137 43158 64737 68274 129474 27283049 54566098 81849147 163698294 245547441 491094882