Base | Representation |
---|---|
bin | 111001011011… |
… | …0011101000000 |
3 | 2002122121122222 |
4 | 1302312131000 |
5 | 30201414311 |
6 | 2553150212 |
7 | 513623561 |
oct | 162663500 |
9 | 62577588 |
10 | 30107456 |
11 | 15aa41a5 |
12 | a0bb368 |
13 | 6311b82 |
14 | 3dda168 |
15 | 299aadb |
hex | 1cb6740 |
30107456 has 14 divisors (see below), whose sum is σ = 59744610. Its totient is φ = 15053696.
The previous prime is 30107447. The next prime is 30107461. The reversal of 30107456 is 65470103.
It can be written as a sum of positive squares in only one way, i.e., 29333056 + 774400 = 5416^2 + 880^2 .
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235151 + ... + 235278.
Almost surely, 230107456 is an apocalyptic number.
It is an amenable number.
30107456 is a deficient number, since it is larger than the sum of its proper divisors (29637154).
30107456 is an equidigital number, since it uses as much as digits as its factorization.
30107456 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 470441 (or 470431 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 26.
The square root of 30107456 is about 5487.0261526623. The cubic root of 30107456 is about 311.0937982807.
Adding to 30107456 its reverse (65470103), we get a palindrome (95577559).
The spelling of 30107456 in words is "thirty million, one hundred seven thousand, four hundred fifty-six".
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