Base | Representation |
---|---|
bin | 1000110101101… |
… | …10101111110001 |
3 | 12011112011002200 |
4 | 10122312233301 |
5 | 122440230344 |
6 | 11205133413 |
7 | 1560153255 |
oct | 432665761 |
9 | 164464080 |
10 | 74148849 |
11 | 38945145 |
12 | 209ba269 |
13 | 12492078 |
14 | 9bc2265 |
15 | 679a069 |
hex | 46b6bf1 |
74148849 has 48 divisors (see below), whose sum is σ = 124675200. Its totient is φ = 42121728.
The previous prime is 74148839. The next prime is 74148871. The reversal of 74148849 is 94884147.
It is not a de Polignac number, because 74148849 - 25 = 74148817 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74148839) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66307 + ... + 67415.
It is an arithmetic number, because the mean of its divisors is an integer number (2597400).
Almost surely, 274148849 is an apocalyptic number.
It is an amenable number.
74148849 is a deficient number, since it is larger than the sum of its proper divisors (50526351).
74148849 is a wasteful number, since it uses less digits than its factorization.
74148849 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1174 (or 1171 counting only the distinct ones).
The product of its digits is 258048, while the sum is 45.
The square root of 74148849 is about 8610.9725931511. The cubic root of 74148849 is about 420.1149515288.
The spelling of 74148849 in words is "seventy-four million, one hundred forty-eight thousand, eight hundred forty-nine".
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