Base | Representation |
---|---|
bin | 111001111001… |
… | …1101010011001 |
3 | 2010010100120122 |
4 | 1303303222121 |
5 | 30232430134 |
6 | 3002403025 |
7 | 516016532 |
oct | 163635231 |
9 | 63110518 |
10 | 30358169 |
11 | 161555a6 |
12 | a200475 |
13 | 639c01a |
14 | 4063689 |
15 | 29ea02e |
hex | 1cf3a99 |
30358169 has 4 divisors (see below), whose sum is σ = 30811344. Its totient is φ = 29904996.
The previous prime is 30358127. The next prime is 30358177. The reversal of 30358169 is 96185303.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30358169 - 28 = 30357913 is a prime.
It is a super-2 number, since 2×303581692 = 1843236850065122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30351169) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226487 + ... + 226620.
It is an arithmetic number, because the mean of its divisors is an integer number (7702836).
Almost surely, 230358169 is an apocalyptic number.
It is an amenable number.
30358169 is a deficient number, since it is larger than the sum of its proper divisors (453175).
30358169 is an equidigital number, since it uses as much as digits as its factorization.
30358169 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453174.
The product of its (nonzero) digits is 19440, while the sum is 35.
The square root of 30358169 is about 5509.8247703534. The cubic root of 30358169 is about 311.9549333603.
The spelling of 30358169 in words is "thirty million, three hundred fifty-eight thousand, one hundred sixty-nine".
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