Base | Representation |
---|---|
bin | 1000111011010… |
… | …01010010101001 |
3 | 12012220022021121 |
4 | 10131221102221 |
5 | 123132131134 |
6 | 11232535241 |
7 | 1566320350 |
oct | 435512251 |
9 | 165808247 |
10 | 74880169 |
11 | 392a4641 |
12 | 210b1521 |
13 | 12689bc0 |
14 | 9d32997 |
15 | 6891ab4 |
hex | 47694a9 |
74880169 has 16 divisors (see below), whose sum is σ = 92366848. Its totient is φ = 59113152.
The previous prime is 74880161. The next prime is 74880173. The reversal of 74880169 is 96108847.
It is not a de Polignac number, because 74880169 - 23 = 74880161 is a prime.
It is a super-2 number, since 2×748801692 = 11214079418937122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (74880161) 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 in 15 ways as a sum of consecutive naturals, for example, 68344 + ... + 69430.
It is an arithmetic number, because the mean of its divisors is an integer number (5772928).
Almost surely, 274880169 is an apocalyptic number.
It is an amenable number.
74880169 is a deficient number, since it is larger than the sum of its proper divisors (17486679).
74880169 is a wasteful number, since it uses less digits than its factorization.
74880169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1864.
The product of its (nonzero) digits is 96768, while the sum is 43.
The square root of 74880169 is about 8653.3328261428. The cubic root of 74880169 is about 421.4916143058.
The spelling of 74880169 in words is "seventy-four million, eight hundred eighty thousand, one hundred sixty-nine".
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