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16430 = 253153
BaseRepresentation
bin100000000101110
3211112112
410000232
51011210
6204022
765621
oct40056
924475
1016430
1111387
129612
13762b
145db8
154d05
hex402e

16430 has 16 divisors (see below), whose sum is σ = 31104. Its totient is φ = 6240.

The previous prime is 16427. The next prime is 16433. The reversal of 16430 is 3461.

Adding to 16430 its reverse (3461), we get a palindrome (19891).

16430 = 732 + 742 + 752.

It is an interprime number because it is at equal distance from previous prime (16427) and next prime (16433).

It is a d-powerful number, because it can be written as 1 + 62 + 47 + 32 + 0 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 16430.

It is not an unprimeable number, because it can be changed into a prime (16433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284 + ... + 336.

It is an arithmetic number, because the mean of its divisors is an integer number (1944).

216430 is an apocalyptic number.

16430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16430 is a deficient number, since it is larger than the sum of its proper divisors (14674).

16430 is a wasteful number, since it uses less digits than its factorization.

16430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 16430 is about 128.1795615533. The cubic root of 16430 is about 25.4221642980.

The spelling of 16430 in words is "sixteen thousand, four hundred thirty".