Base | Representation |
---|---|
bin | 111010100011… |
… | …1010110001100 |
3 | 2010202202202212 |
4 | 1311013112030 |
5 | 30324412230 |
6 | 3014005552 |
7 | 521645054 |
oct | 165072614 |
9 | 63682685 |
10 | 30700940 |
11 | 1636a086 |
12 | a3468b8 |
13 | 648c04a |
14 | 4112564 |
15 | 2a66895 |
hex | 1d4758c |
30700940 has 24 divisors (see below), whose sum is σ = 65068080. Its totient is φ = 12166848.
The previous prime is 30700933. The next prime is 30701051. The reversal of 30700940 is 4900703.
30700940 = T24 + T25 + ... + T568.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4862 + ... + 9221.
It is an arithmetic number, because the mean of its divisors is an integer number (2711170).
Almost surely, 230700940 is an apocalyptic number.
It is an amenable number.
30700940 is an abundant number, since it is smaller than the sum of its proper divisors (34367140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30700940 is a wasteful number, since it uses less digits than its factorization.
30700940 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14201 (or 14199 counting only the distinct ones).
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 30700940 is about 5540.8428961666. The cubic root of 30700940 is about 313.1246258643.
The spelling of 30700940 in words is "thirty million, seven hundred thousand, nine hundred forty".
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