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16243422 = 23132943167
BaseRepresentation
bin111101111101…
…101011011110
31010120020210020
4331331223132
513124242142
61340053010
7255031626
oct75755336
933506706
1016243422
119194a18
125534166
1334995c0
14222b886
15165ccec
hexf7dade

16243422 has 64 divisors (see below), whose sum is σ = 37255680. Its totient is φ = 4685184.

The previous prime is 16243391. The next prime is 16243433. The reversal of 16243422 is 22434261.

It is a junction number, because it is equal to n+sod(n) for n = 16243392 and 16243401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97183 + ... + 97349.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 216243422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16243422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18627840).

16243422 is an abundant number, since it is smaller than the sum of its proper divisors (21012258).

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

16243422 is a wasteful number, since it uses less digits than its factorization.

16243422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257.

The product of its digits is 2304, while the sum is 24.

The square root of 16243422 is about 4030.3128910793. The cubic root of 16243422 is about 253.2556690985.

Adding to 16243422 its reverse (22434261), we get a palindrome (38677683).

The spelling of 16243422 in words is "sixteen million, two hundred forty-three thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 26 29 39 43 58 78 86 87 129 167 174 258 334 377 501 559 754 1002 1118 1131 1247 1677 2171 2262 2494 3354 3741 4342 4843 6513 7181 7482 9686 13026 14362 14529 16211 21543 29058 32422 43086 48633 62959 93353 97266 125918 186706 188877 208249 280059 377754 416498 560118 624747 1249494 2707237 5414474 8121711 16243422