Base | Representation |
---|---|
bin | 111010011101… |
… | …1011011111000 |
3 | 2010200021211220 |
4 | 1310323123320 |
5 | 30321332102 |
6 | 3012552040 |
7 | 521352606 |
oct | 164733370 |
9 | 63607756 |
10 | 30652152 |
11 | 16336463 |
12 | a322620 |
13 | 6472a8b |
14 | 40dc876 |
15 | 2a571bc |
hex | 1d3b6f8 |
30652152 has 32 divisors (see below), whose sum is σ = 77932800. Its totient is φ = 10043744.
The previous prime is 30652121. The next prime is 30652157. The reversal of 30652152 is 25125603.
It is a super-2 number, since 2×306521522 = 1879108844462208, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30652157) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9408 + ... + 12239.
It is an arithmetic number, because the mean of its divisors is an integer number (2435400).
Almost surely, 230652152 is an apocalyptic number.
It is an amenable number.
30652152 is an abundant number, since it is smaller than the sum of its proper divisors (47280648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30652152 is a wasteful number, since it uses less digits than its factorization.
30652152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21715 (or 21711 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 24.
The square root of 30652152 is about 5536.4385664432. The cubic root of 30652152 is about 312.9586719481.
Adding to 30652152 its reverse (25125603), we get a palindrome (55777755).
The spelling of 30652152 in words is "thirty million, six hundred fifty-two thousand, one hundred fifty-two".
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