Base | Representation |
---|---|
bin | 111010111001… |
… | …0010110001010 |
3 | 2011002201101001 |
4 | 1311302112022 |
5 | 30401031231 |
6 | 3021445214 |
7 | 523310413 |
oct | 165622612 |
9 | 64081331 |
10 | 30877066 |
11 | 1647a440 |
12 | a41080a |
13 | 652126c |
14 | 415a80a |
15 | 2a9db61 |
hex | 1d7258a |
30877066 has 16 divisors (see below), whose sum is σ = 53498880. Its totient is φ = 13209280.
The previous prime is 30877061. The next prime is 30877069. The reversal of 30877066 is 66077803.
It is not an unprimeable number, because it can be changed into a prime (30877061) by changing a digit.
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, 40906 + ... + 41653.
It is an arithmetic number, because the mean of its divisors is an integer number (3343680).
Almost surely, 230877066 is an apocalyptic number.
30877066 is a deficient number, since it is larger than the sum of its proper divisors (22621814).
30877066 is a wasteful number, since it uses less digits than its factorization.
30877066 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 82589.
The product of its (nonzero) digits is 42336, while the sum is 37.
The square root of 30877066 is about 5556.7135970824. The cubic root of 30877066 is about 313.7222651314.
It can be divided in two parts, 3087 and 7066, that added together give a triangular number (10153 = T142).
The spelling of 30877066 in words is "thirty million, eight hundred seventy-seven thousand, sixty-six".
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