Base | Representation |
---|---|
bin | 111010001011… |
… | …0100010111111 |
3 | 2010101121120201 |
4 | 1310112202333 |
5 | 30302013210 |
6 | 3005424331 |
7 | 520153234 |
oct | 164264277 |
9 | 63347521 |
10 | 30501055 |
11 | 16242992 |
12 | a26b0a7 |
13 | 641c080 |
14 | 409d78b |
15 | 2a2753a |
hex | 1d168bf |
30501055 has 16 divisors (see below), whose sum is σ = 40690944. Its totient is φ = 21795840.
The previous prime is 30501001. The next prime is 30501109. The reversal of 30501055 is 55010503.
It is an interprime number because it is at equal distance from previous prime (30501001) and next prime (30501109).
It is not a de Polignac number, because 30501055 - 27 = 30500927 is a prime.
It is a super-2 number, since 2×305010552 = 1860628712226050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5554 + ... + 9583.
It is an arithmetic number, because the mean of its divisors is an integer number (2543184).
Almost surely, 230501055 is an apocalyptic number.
30501055 is a deficient number, since it is larger than the sum of its proper divisors (10189889).
30501055 is a wasteful number, since it uses less digits than its factorization.
30501055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15186.
The product of its (nonzero) digits is 375, while the sum is 19.
The square root of 30501055 is about 5522.7760229797. The cubic root of 30501055 is about 312.4435908849.
Adding to 30501055 its reverse (55010503), we get a palindrome (85511558).
The spelling of 30501055 in words is "thirty million, five hundred one thousand, fifty-five".
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