Base | Representation |
---|---|
bin | 111001111011… |
… | …1110000011011 |
3 | 2010011012120202 |
4 | 1303313300123 |
5 | 30233444224 |
6 | 3003012415 |
7 | 516116450 |
oct | 163676033 |
9 | 63135522 |
10 | 30374939 |
11 | 16167161 |
12 | a20a10b |
13 | 63a684a |
14 | 4069827 |
15 | 29eeeae |
hex | 1cf7c1b |
30374939 has 8 divisors (see below), whose sum is σ = 36541440. Its totient is φ = 24665256.
The previous prime is 30374923. The next prime is 30374957. The reversal of 30374939 is 93947303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30374939 - 24 = 30374923 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30374909) 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, 114059 + ... + 114324.
It is an arithmetic number, because the mean of its divisors is an integer number (4567680).
Almost surely, 230374939 is an apocalyptic number.
30374939 is a deficient number, since it is larger than the sum of its proper divisors (6166501).
30374939 is a wasteful number, since it uses less digits than its factorization.
30374939 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 228409.
The product of its (nonzero) digits is 61236, while the sum is 38.
The square root of 30374939 is about 5511.3463872270. The cubic root of 30374939 is about 312.0123645933.
It can be divided in two parts, 30374 and 939, that added together give a palindrome (31313).
The spelling of 30374939 in words is "thirty million, three hundred seventy-four thousand, nine hundred thirty-nine".
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