Base | Representation |
---|---|
bin | 111010111111… |
… | …0000011010011 |
3 | 2011012011010210 |
4 | 1311332003103 |
5 | 30404100021 |
6 | 3022455203 |
7 | 523600245 |
oct | 165760323 |
9 | 64164123 |
10 | 30925011 |
11 | 16502467 |
12 | a434503 |
13 | 653a030 |
14 | 4170095 |
15 | 2aace76 |
hex | 1d7e0d3 |
30925011 has 16 divisors (see below), whose sum is σ = 45839360. Its totient is φ = 18416160.
The previous prime is 30925003. The next prime is 30925019. The reversal of 30925011 is 11052903.
It is an interprime number because it is at equal distance from previous prime (30925003) and next prime (30925019).
It is not a de Polignac number, because 30925011 - 23 = 30925003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30925019) 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, 11581 + ... + 13998.
It is an arithmetic number, because the mean of its divisors is an integer number (2864960).
Almost surely, 230925011 is an apocalyptic number.
30925011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
30925011 is a deficient number, since it is larger than the sum of its proper divisors (14914349).
30925011 is a wasteful number, since it uses less digits than its factorization.
30925011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25626.
The product of its (nonzero) digits is 270, while the sum is 21.
The square root of 30925011 is about 5561.0260743859. The cubic root of 30925011 is about 313.8845607267.
Adding to 30925011 its reverse (11052903), we get a palindrome (41977914).
The spelling of 30925011 in words is "thirty million, nine hundred twenty-five thousand, eleven".
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