Base | Representation |
---|---|
bin | 111001011111… |
… | …1101000101000 |
3 | 2002201112020212 |
4 | 1302333220220 |
5 | 30204120224 |
6 | 2554040252 |
7 | 514141325 |
oct | 162775050 |
9 | 62645225 |
10 | 30145064 |
11 | 1601a484 |
12 | a119088 |
13 | 6326021 |
14 | 4009b4c |
15 | 29a6d0e |
hex | 1cbfa28 |
30145064 has 16 divisors (see below), whose sum is σ = 57837120. Its totient is φ = 14721840.
The previous prime is 30145043. The next prime is 30145067. The reversal of 30145064 is 46054103.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30145067) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43472 + ... + 44159.
It is an arithmetic number, because the mean of its divisors is an integer number (3614820).
Almost surely, 230145064 is an apocalyptic number.
It is an amenable number.
30145064 is a deficient number, since it is larger than the sum of its proper divisors (27692056).
30145064 is a wasteful number, since it uses less digits than its factorization.
30145064 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87680 (or 87676 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 23.
The square root of 30145064 is about 5490.4520761045. The cubic root of 30145064 is about 311.2232761473.
Adding to 30145064 its reverse (46054103), we get a palindrome (76199167).
The spelling of 30145064 in words is "thirty million, one hundred forty-five thousand, sixty-four".
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