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16243230 = 235737417
BaseRepresentation
bin111101111101…
…101000011110
31010120020112010
4331331220132
513124240410
61340052050
7255031233
oct75755036
933506463
1016243230
119194863
125534026
1334994a3
14222b78a
15165cc20
hexf7da1e

16243230 has 32 divisors (see below), whose sum is σ = 39523104. Its totient is φ = 4271616.

The previous prime is 16243229. The next prime is 16243273. The reversal of 16243230 is 3234261.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16243197 and 16243206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1519 + ... + 5898.

It is an arithmetic number, because the mean of its divisors is an integer number (1235097).

Almost surely, 216243230 is an apocalyptic number.

16243230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16243230 is an abundant number, since it is smaller than the sum of its proper divisors (23279874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16243230 is a wasteful number, since it uses less digits than its factorization.

16243230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7500.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 16243230 is about 4030.2890715183. The cubic root of 16243230 is about 253.2546712529.

Adding to 16243230 its reverse (3234261), we get a palindrome (19477491).

The spelling of 16243230 in words is "sixteen million, two hundred forty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 7417 14834 22251 37085 44502 74170 111255 222510 541441 1082882 1624323 2707205 3248646 5414410 8121615 16243230