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16812128 = 25525379
BaseRepresentation
bin100000000100…
…0100001100000
31011122010220102
41000020201200
513300442003
61400201532
7262620644
oct100104140
934563812
1016812128
119543223
1257692a8
133638408
142338c24
151721588
hex1008860

16812128 has 12 divisors (see below), whose sum is σ = 33098940. Its totient is φ = 8406048.

The previous prime is 16812127. The next prime is 16812139. The reversal of 16812128 is 82121861.

It is a self number, because there is not a number n which added to its sum of digits gives 16812128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16812127) 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 as a sum of consecutive naturals, namely, 262658 + ... + 262721.

It is an arithmetic number, because the mean of its divisors is an integer number (2758245).

Almost surely, 216812128 is an apocalyptic number.

It is an amenable number.

16812128 is a deficient number, since it is larger than the sum of its proper divisors (16286812).

16812128 is an equidigital number, since it uses as much as digits as its factorization.

16812128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525389 (or 525381 counting only the distinct ones).

The product of its digits is 1536, while the sum is 29.

The square root of 16812128 is about 4100.2595039826. The cubic root of 16812128 is about 256.1774485862.

Adding to 16812128 its reverse (82121861), we get a palindrome (98933989).

The spelling of 16812128 in words is "sixteen million, eight hundred twelve thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 16 32 525379 1050758 2101516 4203032 8406064 16812128