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30466609 = 235112959
BaseRepresentation
bin111010000111…
…0001000110001
32010022212022221
41310032020301
530244412414
63005001041
7516650635
oct164161061
963285287
1030466609
111621a018
12a253181
1364094a4
144090dc5
152a1c224
hex1d0e231

30466609 has 4 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 30451300.

The previous prime is 30466603. The next prime is 30466627. The reversal of 30466609 is 90666403.

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, and also an emirpimes, since its reverse is a distinct semiprime: 90666403 = 432108521.

It is a cyclic number.

It is not a de Polignac number, because 30466609 - 221 = 28369457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30466603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4129 + ... + 8830.

It is an arithmetic number, because the mean of its divisors is an integer number (7620480).

Almost surely, 230466609 is an apocalyptic number.

It is an amenable number.

30466609 is a deficient number, since it is larger than the sum of its proper divisors (15311).

30466609 is a wasteful number, since it uses less digits than its factorization.

30466609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15310.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 30466609 is about 5519.6566016375. The cubic root of 30466609 is about 312.3259284418.

The spelling of 30466609 in words is "thirty million, four hundred sixty-six thousand, six hundred nine".

Divisors: 1 2351 12959 30466609