Base | Representation |
---|---|
bin | 111010000011… |
… | …1111010111001 |
3 | 2010021120101211 |
4 | 1310013322321 |
5 | 30243104040 |
6 | 3004243121 |
7 | 516513460 |
oct | 164077271 |
9 | 63246354 |
10 | 30441145 |
11 | 16201979 |
12 | a2404a1 |
13 | 63caa17 |
14 | 40859d7 |
15 | 2a148ea |
hex | 1d07eb9 |
30441145 has 8 divisors (see below), whose sum is σ = 41747904. Its totient is φ = 20873904.
The previous prime is 30441137. The next prime is 30441209. The reversal of 30441145 is 54114403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30441145 - 23 = 30441137 is a prime.
It is a super-2 number, since 2×304411452 = 1853326617822050, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434839 + ... + 434908.
It is an arithmetic number, because the mean of its divisors is an integer number (5218488).
Almost surely, 230441145 is an apocalyptic number.
30441145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30441145 is a deficient number, since it is larger than the sum of its proper divisors (11306759).
30441145 is an equidigital number, since it uses as much as digits as its factorization.
30441145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 869759.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 30441145 is about 5517.3494542217. The cubic root of 30441145 is about 312.2388901567.
Adding to 30441145 its reverse (54114403), we get a palindrome (84555548).
The spelling of 30441145 in words is "thirty million, four hundred forty-one thousand, one hundred forty-five".
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