Base | Representation |
---|---|
bin | 1000111001101… |
… | …11000001001001 |
3 | 12012111211210221 |
4 | 10130313001021 |
5 | 123104033444 |
6 | 11224310041 |
7 | 1564502116 |
oct | 434670111 |
9 | 165454727 |
10 | 74674249 |
11 | 39173961 |
12 | 21012321 |
13 | 12617260 |
14 | 9cbb90d |
15 | 6850a84 |
hex | 4737049 |
74674249 has 8 divisors (see below), whose sum is σ = 81216072. Its totient is φ = 68246400.
The previous prime is 74674231. The next prime is 74674267. The reversal of 74674249 is 94247647.
74674249 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.
It is an interprime number because it is at equal distance from previous prime (74674231) and next prime (74674267).
It can be written as a sum of positive squares in 4 ways, for example, as 3356224 + 71318025 = 1832^2 + 8445^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 74674249 - 27 = 74674121 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (74674219) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27124 + ... + 29749.
It is an arithmetic number, because the mean of its divisors is an integer number (10152009).
Almost surely, 274674249 is an apocalyptic number.
It is an amenable number.
74674249 is a deficient number, since it is larger than the sum of its proper divisors (6541823).
74674249 is a wasteful number, since it uses less digits than its factorization.
74674249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56987.
The product of its digits is 338688, while the sum is 43.
The square root of 74674249 is about 8641.4263290269. The cubic root of 74674249 is about 421.1048931541.
The spelling of 74674249 in words is "seventy-four million, six hundred seventy-four thousand, two hundred forty-nine".
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