Base | Representation |
---|---|
bin | 1010110011101… |
… | …11100111010001 |
3 | 20022121101101120 |
4 | 11121313213101 |
5 | 141202324343 |
6 | 12555152453 |
7 | 2150442441 |
oct | 531674721 |
9 | 208541346 |
10 | 90667473 |
11 | 471a78a6 |
12 | 26445729 |
13 | 15a269c0 |
14 | c082121 |
15 | 7e5e683 |
hex | 56779d1 |
90667473 has 16 divisors (see below), whose sum is σ = 130978176. Its totient is φ = 55457280.
The previous prime is 90667453. The next prime is 90667519. The reversal of 90667473 is 37476609.
It is not a de Polignac number, because 90667473 - 210 = 90666449 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (90667453) 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, 448 + ... + 13473.
It is an arithmetic number, because the mean of its divisors is an integer number (8186136).
Almost surely, 290667473 is an apocalyptic number.
It is an amenable number.
90667473 is a deficient number, since it is larger than the sum of its proper divisors (40310703).
90667473 is a wasteful number, since it uses less digits than its factorization.
90667473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14104.
The product of its (nonzero) digits is 190512, while the sum is 42.
The square root of 90667473 is about 9521.9469122654. The cubic root of 90667473 is about 449.2456051501.
The spelling of 90667473 in words is "ninety million, six hundred sixty-seven thousand, four hundred seventy-three".
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