Base | Representation |
---|---|
bin | 11100010100111… |
… | …011011101101011 |
3 | 1020010021010100222 |
4 | 130110323131223 |
5 | 1433130422431 |
6 | 115054120255 |
7 | 14530355054 |
oct | 3424733553 |
9 | 1203233328 |
10 | 475248491 |
11 | 2242a1253 |
12 | 1131b008b |
13 | 775ca033 |
14 | 4719172b |
15 | 2bac957b |
hex | 1c53b76b |
475248491 has 8 divisors (see below), whose sum is σ = 494896800. Its totient is φ = 455817600.
The previous prime is 475248451. The next prime is 475248497. The reversal of 475248491 is 194842574.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 475248491 - 222 = 471054187 is a prime.
It is a super-2 number, since 2×4752484912 = 451722256395554162, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (475248497) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49886 + ... + 58643.
It is an arithmetic number, because the mean of its divisors is an integer number (61862100).
Almost surely, 2475248491 is an apocalyptic number.
475248491 is a deficient number, since it is larger than the sum of its proper divisors (19648309).
475248491 is a wasteful number, since it uses less digits than its factorization.
475248491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108709.
The product of its digits is 322560, while the sum is 44.
The square root of 475248491 is about 21800.1947468366. The cubic root of 475248491 is about 780.3814105497.
The spelling of 475248491 in words is "four hundred seventy-five million, two hundred forty-eight thousand, four hundred ninety-one".
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