Base | Representation |
---|---|
bin | 111001111011… |
… | …1111000000110 |
3 | 2010011020020221 |
4 | 1303313320012 |
5 | 30234003210 |
6 | 3003014554 |
7 | 516121051 |
oct | 163677006 |
9 | 63136227 |
10 | 30375430 |
11 | 16167568 |
12 | a20a45a |
13 | 63a6b37 |
14 | 4069a98 |
15 | 2a001da |
hex | 1cf7e06 |
30375430 has 32 divisors (see below), whose sum is σ = 58250016. Its totient is φ = 11364864.
The previous prime is 30375407. The next prime is 30375439. The reversal of 30375430 is 3457303.
It is a junction number, because it is equal to n+sod(n) for n = 30375395 and 30375404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30375439) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33037 + ... + 33943.
It is an arithmetic number, because the mean of its divisors is an integer number (1820313).
Almost surely, 230375430 is an apocalyptic number.
30375430 is a deficient number, since it is larger than the sum of its proper divisors (27874586).
30375430 is a wasteful number, since it uses less digits than its factorization.
30375430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1128.
The product of its (nonzero) digits is 3780, while the sum is 25.
The square root of 30375430 is about 5511.3909315163. The cubic root of 30375430 is about 312.0140457735.
The spelling of 30375430 in words is "thirty million, three hundred seventy-five thousand, four hundred thirty".
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