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30469 is a prime number
BaseRepresentation
bin111011100000101
31112210111
413130011
51433334
6353021
7154555
oct73405
945714
1030469
112098a
1215771
1310b3a
14b165
159064
hex7705

30469 has 2 divisors, whose sum is σ = 30470. Its totient is φ = 30468.

The previous prime is 30467. The next prime is 30491. The reversal of 30469 is 96403.

It is an a-pointer prime, because the next prime (30491) can be obtained adding 30469 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26244 + 4225 = 162^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 30469 - 21 = 30467 is a prime.

It is a super-2 number, since 2×304692 = 1856719922, which contains 22 as substring.

Together with 30467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15234 + 15235.

It is an arithmetic number, because the mean of its divisors is an integer number (15235).

230469 is an apocalyptic number.

It is an amenable number.

30469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30469 is an equidigital number, since it uses as much as digits as its factorization.

30469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 30469 is about 174.5537166605. The cubic root of 30469 is about 31.2334098608.

It can be divided in two parts, 304 and 69, that added together give a palindrome (373).

The spelling of 30469 in words is "thirty thousand, four hundred sixty-nine".