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30466 = 215233
BaseRepresentation
bin111011100000010
31112210101
413130002
51433331
6353014
7154552
oct73402
945711
1030466
1120987
121576a
1310b37
14b162
159061
hex7702

30466 has 4 divisors (see below), whose sum is σ = 45702. Its totient is φ = 15232.

The previous prime is 30449. The next prime is 30467. The reversal of 30466 is 66403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29241 + 1225 = 171^2 + 35^2 .

It is not an unprimeable number, because it can be changed into a prime (30467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7615 + ... + 7618.

230466 is an apocalyptic number.

30466 is a deficient number, since it is larger than the sum of its proper divisors (15236).

30466 is a wasteful number, since it uses less digits than its factorization.

30466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 30466 is about 174.5451231057. The cubic root of 30466 is about 31.2323847390.

Adding to 30466 its reverse (66403), we get a palindrome (96869).

Subtracting 30466 from its reverse (66403), we obtain a cube (35937 = 333).

It can be divided in two parts, 30 and 466, that added together give a triangular number (496 = T31).

The spelling of 30466 in words is "thirty thousand, four hundred sixty-six".

Divisors: 1 2 15233 30466