Base | Representation |
---|---|
bin | 111010000010… |
… | …0111111100100 |
3 | 2010020221221210 |
4 | 1310010333210 |
5 | 30242213111 |
6 | 3004111420 |
7 | 516433512 |
oct | 164047744 |
9 | 63227853 |
10 | 30429156 |
11 | 161a396a |
12 | a235570 |
13 | 63c5424 |
14 | 40814b2 |
15 | 2a110a6 |
hex | 1d04fe4 |
30429156 has 12 divisors (see below), whose sum is σ = 71001392. Its totient is φ = 10143048.
The previous prime is 30429151. The next prime is 30429169. The reversal of 30429156 is 65192403.
It is a tau number, because it is divible by the number of its divisors (12).
It is not an unprimeable number, because it can be changed into a prime (30429151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1267870 + ... + 1267893.
Almost surely, 230429156 is an apocalyptic number.
It is an amenable number.
30429156 is an abundant number, since it is smaller than the sum of its proper divisors (40572236).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30429156 is a wasteful number, since it uses less digits than its factorization.
30429156 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2535770 (or 2535768 counting only the distinct ones).
The product of its (nonzero) digits is 6480, while the sum is 30.
The square root of 30429156 is about 5516.2628653827. The cubic root of 30429156 is about 312.1978938494.
The spelling of 30429156 in words is "thirty million, four hundred twenty-nine thousand, one hundred fifty-six".
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