Base | Representation |
---|---|
bin | 111001001110… |
… | …0101111101000 |
3 | 2002110021012211 |
4 | 1302130233220 |
5 | 30140032102 |
6 | 2551014504 |
7 | 513004555 |
oct | 162345750 |
9 | 62407184 |
10 | 30002152 |
11 | 15a32074 |
12 | a06a434 |
13 | 62a5c6b |
14 | 3dada2c |
15 | 29797d7 |
hex | 1c9cbe8 |
30002152 has 8 divisors (see below), whose sum is σ = 56254050. Its totient is φ = 15001072.
The previous prime is 30002123. The next prime is 30002207. The reversal of 30002152 is 25120003.
It can be written as a sum of positive squares in only one way, i.e., 29746116 + 256036 = 5454^2 + 506^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is a super-2 number, since 2×300021522 = 1800258249262208, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875127 + ... + 1875142.
Almost surely, 230002152 is an apocalyptic number.
It is an amenable number.
30002152 is a deficient number, since it is larger than the sum of its proper divisors (26251898).
30002152 is a wasteful number, since it uses less digits than its factorization.
30002152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3750275 (or 3750271 counting only the distinct ones).
The product of its (nonzero) digits is 60, while the sum is 13.
The square root of 30002152 is about 5477.4220213527. The cubic root of 30002152 is about 310.7306801559.
Adding to 30002152 its reverse (25120003), we get a palindrome (55122155).
The spelling of 30002152 in words is "thirty million, two thousand, one hundred fifty-two".
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