Base | Representation |
---|---|
bin | 111001111010… |
… | …0100110001000 |
3 | 2010010112211020 |
4 | 1303310212020 |
5 | 30233040432 |
6 | 3002432440 |
7 | 516033633 |
oct | 163644610 |
9 | 63115736 |
10 | 30361992 |
11 | 16158461 |
12 | a202720 |
13 | 63a099b |
14 | 4064c1a |
15 | 29eb22c |
hex | 1cf4988 |
30361992 has 16 divisors (see below), whose sum is σ = 75905040. Its totient is φ = 10120656.
The previous prime is 30361979. The next prime is 30362009. The reversal of 30361992 is 29916303.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632518 + ... + 632565.
It is an arithmetic number, because the mean of its divisors is an integer number (4744065).
Almost surely, 230361992 is an apocalyptic number.
It is an amenable number.
30361992 is an abundant number, since it is smaller than the sum of its proper divisors (45543048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30361992 is a wasteful number, since it uses less digits than its factorization.
30361992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1265092 (or 1265088 counting only the distinct ones).
The product of its (nonzero) digits is 8748, while the sum is 33.
The square root of 30361992 is about 5510.1716851655. The cubic root of 30361992 is about 311.9680276244.
The spelling of 30361992 in words is "thirty million, three hundred sixty-one thousand, nine hundred ninety-two".
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