Base | Representation |
---|---|
bin | 11101010010010… |
… | …110001001001000 |
3 | 1021020120002111112 |
4 | 131102112021020 |
5 | 2001241123202 |
6 | 120431145452 |
7 | 15114252032 |
oct | 3522261110 |
9 | 1236502445 |
10 | 491348552 |
11 | 232398492 |
12 | 118675288 |
13 | 7aa462b6 |
14 | 49382c52 |
15 | 2d209b52 |
hex | 1d496248 |
491348552 has 36 divisors (see below), whose sum is σ = 980786715. Its totient is φ = 230721280.
The previous prime is 491348527. The next prime is 491348579. The reversal of 491348552 is 255843194.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 5 ways, for example, as 300190276 + 191158276 = 17326^2 + 13826^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=15674.
It is a Duffinian number.
Its product of digits (172800) is a multiple of the sum of its prime divisors (480).
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1065602 + ... + 1066062.
Almost surely, 2491348552 is an apocalyptic number.
It is an amenable number.
491348552 is a deficient number, since it is larger than the sum of its proper divisors (489438163).
491348552 is an equidigital number, since it uses as much as digits as its factorization.
491348552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 962 (or 480 counting only the distinct ones).
The product of its digits is 172800, while the sum is 41.
The square root of 491348552 is about 22166.3833766359. The cubic root of 491348552 is about 789.0960937555.
The spelling of 491348552 in words is "four hundred ninety-one million, three hundred forty-eight thousand, five hundred fifty-two".
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