Base | Representation |
---|---|
bin | 111010100110… |
… | …1110111110101 |
3 | 2010211010102211 |
4 | 1311031313311 |
5 | 30331241134 |
6 | 3014333421 |
7 | 522116020 |
oct | 165156765 |
9 | 63733384 |
10 | 30727669 |
11 | 16388175 |
12 | a35a271 |
13 | 649b26b |
14 | 411c1b7 |
15 | 2a6e764 |
hex | 1d4ddf5 |
30727669 has 4 divisors (see below), whose sum is σ = 35117344. Its totient is φ = 26337996.
The previous prime is 30727663. The next prime is 30727673. The reversal of 30727669 is 96672703.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 30727669 - 25 = 30727637 is a prime.
It is a super-2 number, since 2×307276692 = 1888379284347122, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30727663) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2194827 + ... + 2194840.
It is an arithmetic number, because the mean of its divisors is an integer number (8779336).
Almost surely, 230727669 is an apocalyptic number.
It is an amenable number.
30727669 is a deficient number, since it is larger than the sum of its proper divisors (4389675).
30727669 is an equidigital number, since it uses as much as digits as its factorization.
30727669 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4389674.
The product of its (nonzero) digits is 95256, while the sum is 40.
The square root of 30727669 is about 5543.2543690507. The cubic root of 30727669 is about 313.2154708612.
The spelling of 30727669 in words is "thirty million, seven hundred twenty-seven thousand, six hundred sixty-nine".
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