Base | Representation |
---|---|
bin | 111010100100… |
… | …1110101001000 |
3 | 2010210021201121 |
4 | 1311021311020 |
5 | 30330223422 |
6 | 3014125024 |
7 | 522016525 |
oct | 165116510 |
9 | 63707647 |
10 | 30711112 |
11 | 16376793 |
12 | a350774 |
13 | 6493873 |
14 | 411614c |
15 | 2a698c7 |
hex | 1d49d48 |
30711112 has 32 divisors (see below), whose sum is σ = 61288920. Its totient is φ = 14376960.
The previous prime is 30711103. The next prime is 30711119. The reversal of 30711112 is 21111703.
It can be written as a sum of positive squares in 4 ways, for example, as 26275876 + 4435236 = 5126^2 + 2106^2 .
It is not an unprimeable number, because it can be changed into a prime (30711119) 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, 32308 + ... + 33244.
Almost surely, 230711112 is an apocalyptic number.
It is an amenable number.
30711112 is a deficient number, since it is larger than the sum of its proper divisors (30577808).
30711112 is a wasteful number, since it uses less digits than its factorization.
30711112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1201 (or 1197 counting only the distinct ones).
The product of its (nonzero) digits is 42, while the sum is 16.
The square root of 30711112 is about 5541.7607310312. The cubic root of 30711112 is about 313.1592040888.
Adding to 30711112 its reverse (21111703), we get a palindrome (51822815).
The spelling of 30711112 in words is "thirty million, seven hundred eleven thousand, one hundred twelve".
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