Base | Representation |
---|---|
bin | 111010000100… |
… | …0001010101001 |
3 | 2010021121210011 |
4 | 1310020022221 |
5 | 30243122103 |
6 | 3004251521 |
7 | 516516430 |
oct | 164101251 |
9 | 63247704 |
10 | 30442153 |
11 | 16202705 |
12 | a240ba1 |
13 | 63cb311 |
14 | 4086117 |
15 | 2a14d6d |
hex | 1d082a9 |
30442153 has 8 divisors (see below), whose sum is σ = 34974720. Its totient is φ = 25955520.
The previous prime is 30442129. The next prime is 30442177. The reversal of 30442153 is 35124403.
It is an interprime number because it is at equal distance from previous prime (30442129) and next prime (30442177).
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 30442153 - 217 = 30311081 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30442103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10048 + ... + 12721.
It is an arithmetic number, because the mean of its divisors is an integer number (4371840).
Almost surely, 230442153 is an apocalyptic number.
It is an amenable number.
30442153 is a deficient number, since it is larger than the sum of its proper divisors (4532567).
30442153 is a wasteful number, since it uses less digits than its factorization.
30442153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22967.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 30442153 is about 5517.4408016761. The cubic root of 30442153 is about 312.2423365155.
Adding to 30442153 its reverse (35124403), we get a palindrome (65566556).
The spelling of 30442153 in words is "thirty million, four hundred forty-two thousand, one hundred fifty-three".
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