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16712028 = 2233271571
BaseRepresentation
bin111111110000…
…000101011100
31011110001121000
4333300011130
513234241103
61354110300
7262023054
oct77600534
934401530
1016712028
119484aa3
12571b390
133601998
142310564
151701aa3
hexff015c

16712028 has 48 divisors (see below), whose sum is σ = 43563520. Its totient is φ = 5540400.

The previous prime is 16712027. The next prime is 16712029. The reversal of 16712028 is 82021761.

It is an interprime number because it is at equal distance from previous prime (16712027) and next prime (16712029).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16711992 and 16712010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16712021) 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, 28983 + ... + 29553.

Almost surely, 216712028 is an apocalyptic number.

16712028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16712028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21781760).

16712028 is an abundant number, since it is smaller than the sum of its proper divisors (26851492).

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

16712028 is a wasteful number, since it uses less digits than its factorization.

16712028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 16712028 is about 4088.0347356646. The cubic root of 16712028 is about 255.6680063262.

Adding to 16712028 its reverse (82021761), we get a palindrome (98733789).

The spelling of 16712028 in words is "sixteen million, seven hundred twelve thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 271 542 571 813 1084 1142 1626 1713 2284 2439 3252 3426 4878 5139 6852 7317 9756 10278 14634 15417 20556 29268 30834 61668 154741 309482 464223 618964 928446 1392669 1856892 2785338 4178007 5570676 8356014 16712028