Base | Representation |
---|---|
bin | 111010111101… |
… | …1011000011011 |
3 | 2011011121010202 |
4 | 1311323120123 |
5 | 30403222300 |
6 | 3022332415 |
7 | 523523333 |
oct | 165733033 |
9 | 64147122 |
10 | 30914075 |
11 | 164a5225 |
12 | a42a10b |
13 | 653506a |
14 | 416a0c3 |
15 | 2aa9ad5 |
hex | 1d7b61b |
30914075 has 12 divisors (see below), whose sum is σ = 40588920. Its totient is φ = 23276160.
The previous prime is 30914069. The next prime is 30914077. The reversal of 30914075 is 57041903.
It is not a de Polignac number, because 30914075 - 28 = 30913819 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30914077) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35945 + ... + 36794.
It is an arithmetic number, because the mean of its divisors is an integer number (3382410).
Almost surely, 230914075 is an apocalyptic number.
30914075 is a deficient number, since it is larger than the sum of its proper divisors (9674845).
30914075 is a wasteful number, since it uses less digits than its factorization.
30914075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 72766 (or 72761 counting only the distinct ones).
The product of its (nonzero) digits is 3780, while the sum is 29.
The square root of 30914075 is about 5560.0427156633. The cubic root of 30914075 is about 313.8475567381.
Adding to 30914075 its reverse (57041903), we get a palindrome (87955978).
The spelling of 30914075 in words is "thirty million, nine hundred fourteen thousand, seventy-five".
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