Base | Representation |
---|---|
bin | 111010010011… |
… | …0001001010110 |
3 | 2010111212020012 |
4 | 1310212021112 |
5 | 30311034300 |
6 | 3011040222 |
7 | 520540433 |
oct | 164461126 |
9 | 63455205 |
10 | 30564950 |
11 | 16286999 |
12 | a2a0072 |
13 | 6442190 |
14 | 40b8b8a |
15 | 2a3b435 |
hex | 1d26256 |
30564950 has 48 divisors (see below), whose sum is σ = 62339760. Its totient is φ = 11080320.
The previous prime is 30564943. The next prime is 30565001. The reversal of 30564950 is 5946503.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37952 + ... + 38748.
It is an arithmetic number, because the mean of its divisors is an integer number (1298745).
Almost surely, 230564950 is an apocalyptic number.
30564950 is an abundant number, since it is smaller than the sum of its proper divisors (31774810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30564950 is a wasteful number, since it uses less digits than its factorization.
30564950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 881 (or 876 counting only the distinct ones).
The product of its (nonzero) digits is 16200, while the sum is 32.
The square root of 30564950 is about 5528.5576780929. The cubic root of 30564950 is about 312.6616124062.
The spelling of 30564950 in words is "thirty million, five hundred sixty-four thousand, nine hundred fifty".
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