Base | Representation |
---|---|
bin | 1000111001101… |
… | …00000101010111 |
3 | 12012111020022211 |
4 | 10130310011113 |
5 | 123103142411 |
6 | 11224134251 |
7 | 1564422100 |
oct | 434640527 |
9 | 165436284 |
10 | 74662231 |
11 | 39165926 |
12 | 21007387 |
13 | 12611947 |
14 | 9cb73a7 |
15 | 684c221 |
hex | 4734157 |
74662231 has 12 divisors (see below), whose sum is σ = 88279320. Its totient is φ = 62944560.
The previous prime is 74662223. The next prime is 74662241. The reversal of 74662231 is 13226647.
It is not a de Polignac number, because 74662231 - 23 = 74662223 is a prime.
It is a super-2 number, since 2×746622312 = 11148897475794722, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 74662193 and 74662202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74662201) 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 11 ways as a sum of consecutive naturals, for example, 9501 + ... + 15478.
It is an arithmetic number, because the mean of its divisors is an integer number (7356610).
Almost surely, 274662231 is an apocalyptic number.
74662231 is a deficient number, since it is larger than the sum of its proper divisors (13617089).
74662231 is a wasteful number, since it uses less digits than its factorization.
74662231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25054 (or 25047 counting only the distinct ones).
The product of its digits is 12096, while the sum is 31.
The square root of 74662231 is about 8640.7309297304. The cubic root of 74662231 is about 421.0823012067.
Adding to 74662231 its reverse (13226647), we get a palindrome (87888878).
The spelling of 74662231 in words is "seventy-four million, six hundred sixty-two thousand, two hundred thirty-one".
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