Base | Representation |
---|---|
bin | 111010001101… |
… | …0011100001100 |
3 | 2010102102110102 |
4 | 1310122130030 |
5 | 30303021004 |
6 | 3010030232 |
7 | 520250600 |
oct | 164323414 |
9 | 63372412 |
10 | 30517004 |
11 | 16253971 |
12 | a278378 |
13 | 64263cb |
14 | 40a5500 |
15 | 2a2c11e |
hex | 1d1a70c |
30517004 has 18 divisors (see below), whose sum is σ = 62124300. Its totient is φ = 13078632.
The previous prime is 30517001. The next prime is 30517013. The reversal of 30517004 is 40071503.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30517001) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77654 + ... + 78045.
It is an arithmetic number, because the mean of its divisors is an integer number (3451350).
Almost surely, 230517004 is an apocalyptic number.
It is an amenable number.
30517004 is an abundant number, since it is smaller than the sum of its proper divisors (31607296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30517004 is a wasteful number, since it uses less digits than its factorization.
30517004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155717 (or 155708 counting only the distinct ones).
The product of its (nonzero) digits is 420, while the sum is 20.
The square root of 30517004 is about 5524.2197639124. The cubic root of 30517004 is about 312.4980403077.
Adding to 30517004 its reverse (40071503), we get a palindrome (70588507).
The spelling of 30517004 in words is "thirty million, five hundred seventeen thousand, four".
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