Base | Representation |
---|---|
bin | 111010001011… |
… | …0100010111101 |
3 | 2010101121120122 |
4 | 1310112202331 |
5 | 30302013203 |
6 | 3005424325 |
7 | 520153232 |
oct | 164264275 |
9 | 63347518 |
10 | 30501053 |
11 | 16242990 |
12 | a26b0a5 |
13 | 641c07b |
14 | 409d789 |
15 | 2a27538 |
hex | 1d168bd |
30501053 has 8 divisors (see below), whose sum is σ = 33838560. Its totient is φ = 27257680.
The previous prime is 30501001. The next prime is 30501109. The reversal of 30501053 is 35010503.
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 30501053 - 26 = 30500989 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30501353) 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, 22850 + ... + 24147.
It is an arithmetic number, because the mean of its divisors is an integer number (4229820).
Almost surely, 230501053 is an apocalyptic number.
It is an amenable number.
30501053 is a deficient number, since it is larger than the sum of its proper divisors (3337507).
30501053 is a wasteful number, since it uses less digits than its factorization.
30501053 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47067.
The product of its (nonzero) digits is 225, while the sum is 17.
The square root of 30501053 is about 5522.7758419114. The cubic root of 30501053 is about 312.4435840558.
Adding to 30501053 its reverse (35010503), we get a palindrome (65511556).
The spelling of 30501053 in words is "thirty million, five hundred one thousand, fifty-three".
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