Search a number
-
+
16052428 = 2272953373
BaseRepresentation
bin111101001111…
…000011001100
31010012112210101
4331033003030
513102134203
61332020444
7253305040
oct75170314
933175711
1016052428
119074477
125461724
1334306a2
1421bc020
15162141d
hexf4f0cc

16052428 has 48 divisors (see below), whose sum is σ = 33929280. Its totient is φ = 6499584.

The previous prime is 16052423. The next prime is 16052429. The reversal of 16052428 is 82425061.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 16052396 and 16052405.

It is not an unprimeable number, because it can be changed into a prime (16052423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42850 + ... + 43222.

It is an arithmetic number, because the mean of its divisors is an integer number (706860).

Almost surely, 216052428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16052428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16964640).

16052428 is an abundant number, since it is smaller than the sum of its proper divisors (17876852).

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

16052428 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (16052427) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (464).

16052428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 16052428 is about 4006.5481402324. The cubic root of 16052428 is about 252.2591396587.

Adding to 16052428 its reverse (82425061), we get a palindrome (98477489).

The spelling of 16052428 in words is "sixteen million, fifty-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 7 14 28 29 53 58 106 116 203 212 371 373 406 742 746 812 1484 1492 1537 2611 3074 5222 6148 10444 10759 10817 19769 21518 21634 39538 43036 43268 75719 79076 138383 151438 276766 302876 553532 573301 1146602 2293204 4013107 8026214 16052428