Base | Representation |
---|---|
bin | 111001101111… |
… | …1001011001000 |
3 | 2002222002110110 |
4 | 1303133023020 |
5 | 30222233443 |
6 | 3000514320 |
7 | 515220054 |
oct | 163371310 |
9 | 62862413 |
10 | 30274248 |
11 | 160a8544 |
12 | a17b9a0 |
13 | 636ca74 |
14 | 4040c64 |
15 | 29d0233 |
hex | 1cdf2c8 |
30274248 has 16 divisors (see below), whose sum is σ = 75685680. Its totient is φ = 10091408.
The previous prime is 30274247. The next prime is 30274271. The reversal of 30274248 is 84247203.
It is not an unprimeable number, because it can be changed into a prime (30274243) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630690 + ... + 630737.
It is an arithmetic number, because the mean of its divisors is an integer number (4730355).
Almost surely, 230274248 is an apocalyptic number.
It is an amenable number.
30274248 is an abundant number, since it is smaller than the sum of its proper divisors (45411432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30274248 is a wasteful number, since it uses less digits than its factorization.
30274248 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1261436 (or 1261432 counting only the distinct ones).
The product of its (nonzero) digits is 10752, while the sum is 30.
The square root of 30274248 is about 5502.2039220661. The cubic root of 30274248 is about 311.6672158505.
The spelling of 30274248 in words is "thirty million, two hundred seventy-four thousand, two hundred forty-eight".
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