Base | Representation |
---|---|
bin | 111001001110… |
… | …0111100001000 |
3 | 2002110022022110 |
4 | 1302130330020 |
5 | 30140043302 |
6 | 2551022320 |
7 | 513010110 |
oct | 162347410 |
9 | 62408273 |
10 | 30002952 |
11 | 15a32731 |
12 | a06a9a0 |
13 | 62a6435 |
14 | 3db0040 |
15 | 2979b6c |
hex | 1c9cf08 |
30002952 has 64 divisors (see below), whose sum is σ = 86169600. Its totient is φ = 8527680.
The previous prime is 30002933. The next prime is 30002963. The reversal of 30002952 is 25920003.
It is a Harshad number since it is a multiple of its sum of digits (21).
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, 45199 + ... + 45857.
It is an arithmetic number, because the mean of its divisors is an integer number (1346400).
Almost surely, 230002952 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30002952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43084800).
30002952 is an abundant number, since it is smaller than the sum of its proper divisors (56166648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30002952 is a wasteful number, since it uses less digits than its factorization.
30002952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 946 (or 942 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 21.
The square root of 30002952 is about 5477.4950479211. The cubic root of 30002952 is about 310.7334419837.
Adding to 30002952 its reverse (25920003), we get a palindrome (55922955).
The spelling of 30002952 in words is "thirty million, two thousand, nine hundred fifty-two".
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