Base | Representation |
---|---|
bin | 111010011101… |
… | …1100110011110 |
3 | 2010200022210000 |
4 | 1310323212132 |
5 | 30321342310 |
6 | 3012555130 |
7 | 521354565 |
oct | 164734636 |
9 | 63608700 |
10 | 30652830 |
11 | 16336a1a |
12 | a322aa6 |
13 | 6473190 |
14 | 40dcbdc |
15 | 2a574c0 |
hex | 1d3b99e |
30652830 has 160 divisors (see below), whose sum is σ = 92207808. Its totient is φ = 7257600.
The previous prime is 30652823. The next prime is 30652877. The reversal of 30652830 is 3825603.
30652830 is a `hidden beast` number, since 3 + 0 + 652 + 8 + 3 + 0 = 666.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 30652794 and 30652803.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 431695 + ... + 431765.
Almost surely, 230652830 is an apocalyptic number.
30652830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 30652830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46103904).
30652830 is an abundant number, since it is smaller than the sum of its proper divisors (61554978).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30652830 is a wasteful number, since it uses less digits than its factorization.
30652830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 144 (or 135 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
The square root of 30652830 is about 5536.4997968030. The cubic root of 30652830 is about 312.9609793926.
The spelling of 30652830 in words is "thirty million, six hundred fifty-two thousand, eight hundred thirty".
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