Base | Representation |
---|---|
bin | 1010101010101… |
… | …00010101110011 |
3 | 20020100202211101 |
4 | 11111110111303 |
5 | 140401140134 |
6 | 12513425231 |
7 | 2134343236 |
oct | 525242563 |
9 | 206322741 |
10 | 89474419 |
11 | 46562501 |
12 | 25b6b217 |
13 | 156c9958 |
14 | bc5141d |
15 | 7cc5e14 |
hex | 5554573 |
89474419 has 2 divisors, whose sum is σ = 89474420. Its totient is φ = 89474418.
The previous prime is 89474387. The next prime is 89474447. The reversal of 89474419 is 91447498.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 89474419 - 25 = 89474387 is a prime.
It is a super-2 number, since 2×894744192 = 16011343310775122, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (89474479) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44737209 + 44737210.
It is an arithmetic number, because the mean of its divisors is an integer number (44737210).
Almost surely, 289474419 is an apocalyptic number.
89474419 is a deficient number, since it is larger than the sum of its proper divisors (1).
89474419 is an equidigital number, since it uses as much as digits as its factorization.
89474419 is an evil number, because the sum of its binary digits is even.
The product of its digits is 290304, while the sum is 46.
The square root of 89474419 is about 9459.0918697304. The cubic root of 89474419 is about 447.2664224262.
It can be divided in two parts, 8947 and 4419, that added together give a triangular number (13366 = T163).
The spelling of 89474419 in words is "eighty-nine million, four hundred seventy-four thousand, four hundred nineteen".
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