Base | Representation |
---|---|
bin | 111010100000… |
… | …1001100011000 |
3 | 2010201111012101 |
4 | 1311001030120 |
5 | 30323110421 |
6 | 3013253144 |
7 | 521511430 |
oct | 165011430 |
9 | 63644171 |
10 | 30675736 |
11 | 16352153 |
12 | a3341b4 |
13 | 6480730 |
14 | 41072c0 |
15 | 2a5e191 |
hex | 1d41318 |
30675736 has 64 divisors (see below), whose sum is σ = 73281600. Its totient is φ = 11708928.
The previous prime is 30675731. The next prime is 30675737. The reversal of 30675736 is 63757603.
It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 30675695 and 30675704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30675731) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20386 + ... + 21838.
It is an arithmetic number, because the mean of its divisors is an integer number (1145025).
Almost surely, 230675736 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 30675736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36640800).
30675736 is an abundant number, since it is smaller than the sum of its proper divisors (42605864).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30675736 is a wasteful number, since it uses less digits than its factorization.
30675736 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1508 (or 1504 counting only the distinct ones).
The product of its (nonzero) digits is 79380, while the sum is 37.
The square root of 30675736 is about 5538.5680459844. The cubic root of 30675736 is about 313.0389156362.
The spelling of 30675736 in words is "thirty million, six hundred seventy-five thousand, seven hundred thirty-six".
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