Base | Representation |
---|---|
bin | 111011000010… |
… | …0110001100001 |
3 | 2011020112220120 |
4 | 1312010301201 |
5 | 30410440140 |
6 | 3023230453 |
7 | 524043441 |
oct | 166046141 |
9 | 64215816 |
10 | 30952545 |
11 | 16521118 |
12 | a448429 |
13 | 6549720 |
14 | 417a121 |
15 | 2ab61d0 |
hex | 1d84c61 |
30952545 has 16 divisors (see below), whose sum is σ = 53333952. Its totient is φ = 15238080.
The previous prime is 30952543. The next prime is 30952589. The reversal of 30952545 is 54525903.
It is not a de Polignac number, because 30952545 - 21 = 30952543 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (30952543) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79171 + ... + 79560.
It is an arithmetic number, because the mean of its divisors is an integer number (3333372).
Almost surely, 230952545 is an apocalyptic number.
It is an amenable number.
30952545 is a deficient number, since it is larger than the sum of its proper divisors (22381407).
30952545 is a wasteful number, since it uses less digits than its factorization.
30952545 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 158752.
The product of its (nonzero) digits is 27000, while the sum is 33.
The square root of 30952545 is about 5563.5011458613. The cubic root of 30952545 is about 313.9776885171.
The spelling of 30952545 in words is "thirty million, nine hundred fifty-two thousand, five hundred forty-five".
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