Base | Representation |
---|---|
bin | 1000111000110… |
… | …11011011001011 |
3 | 12012022002202221 |
4 | 10130123123023 |
5 | 123041424402 |
6 | 11222034511 |
7 | 1563521446 |
oct | 434333313 |
9 | 165262687 |
10 | 74561227 |
11 | 390a6a54 |
12 | 20b78a37 |
13 | 125a7990 |
14 | 9c8c65d |
15 | 682c337 |
hex | 471b6cb |
74561227 has 12 divisors (see below), whose sum is σ = 81414480. Its totient is φ = 67880592.
The previous prime is 74561213. The next prime is 74561257. The reversal of 74561227 is 72216547.
It is a de Polignac number, because none of the positive numbers 2k-74561227 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 74561192 and 74561201.
It is not an unprimeable number, because it can be changed into a prime (74561257) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80674 + ... + 81592.
It is an arithmetic number, because the mean of its divisors is an integer number (6784540).
Almost surely, 274561227 is an apocalyptic number.
74561227 is a deficient number, since it is larger than the sum of its proper divisors (6853253).
74561227 is an equidigital number, since it uses as much as digits as its factorization.
74561227 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1090 (or 1011 counting only the distinct ones).
The product of its digits is 23520, while the sum is 34.
The square root of 74561227 is about 8634.8843072736. The cubic root of 74561227 is about 420.8923337161.
The spelling of 74561227 in words is "seventy-four million, five hundred sixty-one thousand, two hundred twenty-seven".
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