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491104816 = 2430694051
BaseRepresentation
bin11101010001011…
…010101000110000
31021020002201011021
4131101122220300
52001210323231
6120422025224
715112215316
oct3521325060
91236081137
10491104816
11232241354
12118578214
137a98c387
144931c0b6
152d1ac811
hex1d45aa30

491104816 has 10 divisors (see below), whose sum is σ = 951515612. Its totient is φ = 245552400.

The previous prime is 491104813. The next prime is 491104871. The reversal of 491104816 is 618401194.

It is not an unprimeable number, because it can be changed into a prime (491104813) 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 as a sum of consecutive naturals, namely, 15347010 + ... + 15347041.

Almost surely, 2491104816 is an apocalyptic number.

It is an amenable number.

491104816 is a deficient number, since it is larger than the sum of its proper divisors (460410796).

491104816 is a wasteful number, since it uses less digits than its factorization.

491104816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30694059 (or 30694053 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 491104816 is about 22160.8848198803. The cubic root of 491104816 is about 788.9655937701.

The spelling of 491104816 in words is "four hundred ninety-one million, one hundred four thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 30694051 61388102 122776204 245552408 491104816