Base | Representation |
---|---|
bin | 111010101100… |
… | …0110111000110 |
3 | 2010220102011211 |
4 | 1311120313012 |
5 | 30334211203 |
6 | 3015322034 |
7 | 522364156 |
oct | 165306706 |
9 | 63812154 |
10 | 30772678 |
11 | 16408a72 |
12 | a38031a |
13 | 64b58b1 |
14 | 4130766 |
15 | 2a7cc6d |
hex | 1d58dc6 |
30772678 has 16 divisors (see below), whose sum is σ = 48082464. Its totient is φ = 14757120.
The previous prime is 30772663. The next prime is 30772681. The reversal of 30772678 is 87627703.
It is a super-2 number, since 2×307726782 = 1893915422583368, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30772678.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326 + ... + 8182.
It is an arithmetic number, because the mean of its divisors is an integer number (3005154).
Almost surely, 230772678 is an apocalyptic number.
30772678 is a deficient number, since it is larger than the sum of its proper divisors (17309786).
30772678 is a wasteful number, since it uses less digits than its factorization.
30772678 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5967.
The product of its (nonzero) digits is 98784, while the sum is 40.
The square root of 30772678 is about 5547.3126827321. The cubic root of 30772678 is about 313.3683259043.
The spelling of 30772678 in words is "thirty million, seven hundred seventy-two thousand, six hundred seventy-eight".
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