Base | Representation |
---|---|
bin | 111001101111… |
… | …1001110001101 |
3 | 2002222002201202 |
4 | 1303133032031 |
5 | 30222240240 |
6 | 3000515245 |
7 | 515220455 |
oct | 163371615 |
9 | 62862652 |
10 | 30274445 |
11 | 160a8703 |
12 | a17bb25 |
13 | 636cb96 |
14 | 4040d65 |
15 | 29d0315 |
hex | 1cdf38d |
30274445 has 8 divisors (see below), whose sum is σ = 37501440. Its totient is φ = 23438160.
The previous prime is 30274427. The next prime is 30274457. The reversal of 30274445 is 54447203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30274445 - 26 = 30274381 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97505 + ... + 97814.
It is an arithmetic number, because the mean of its divisors is an integer number (4687680).
Almost surely, 230274445 is an apocalyptic number.
It is an amenable number.
30274445 is a deficient number, since it is larger than the sum of its proper divisors (7226995).
30274445 is a wasteful number, since it uses less digits than its factorization.
30274445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 195355.
The product of its (nonzero) digits is 13440, while the sum is 29.
The square root of 30274445 is about 5502.2218239544. The cubic root of 30274445 is about 311.6678918740.
It can be divided in two parts, 302 and 74445, that added together give a palindrome (74747).
The spelling of 30274445 in words is "thirty million, two hundred seventy-four thousand, four hundred forty-five".
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