Base | Representation |
---|---|
bin | 111010010110… |
… | …0010001100111 |
3 | 2010120010200000 |
4 | 1310230101213 |
5 | 30312340210 |
6 | 3011352343 |
7 | 521003556 |
oct | 164542147 |
9 | 63503600 |
10 | 30590055 |
11 | 162a3841 |
12 | a2b26b3 |
13 | 6450732 |
14 | 40c3d9d |
15 | 2a43ac0 |
hex | 1d2c467 |
30590055 has 48 divisors (see below), whose sum is σ = 58260384. Its totient is φ = 15344640.
The previous prime is 30590039. The next prime is 30590107. The reversal of 30590055 is 55009503.
It is not a de Polignac number, because 30590055 - 24 = 30590039 is a prime.
It is a super-3 number, since 3×305900553 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 19915 + ... + 21395.
It is an arithmetic number, because the mean of its divisors is an integer number (1213758).
Almost surely, 230590055 is an apocalyptic number.
30590055 is a deficient number, since it is larger than the sum of its proper divisors (27670329).
30590055 is a wasteful number, since it uses less digits than its factorization.
30590055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1518 (or 1506 counting only the distinct ones).
The product of its (nonzero) digits is 3375, while the sum is 27.
The square root of 30590055 is about 5530.8276957432. The cubic root of 30590055 is about 312.7471921491.
Adding to 30590055 its reverse (55009503), we get a palindrome (85599558).
The spelling of 30590055 in words is "thirty million, five hundred ninety thousand, fifty-five".
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