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16868601 = 33624763
BaseRepresentation
bin100000001011…
…0010011111001
31011202000101000
41000112103321
513304243401
61401315213
7263244411
oct100262371
934660330
1016868601
1195816a2
125795b09
133658029
142351641
151733186
hex10164f9

16868601 has 8 divisors (see below), whose sum is σ = 24990560. Its totient is φ = 11245716.

The previous prime is 16868563. The next prime is 16868603. The reversal of 16868601 is 10686861.

It is not a de Polignac number, because 16868601 - 27 = 16868473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16868603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312355 + ... + 312408.

It is an arithmetic number, because the mean of its divisors is an integer number (3123820).

Almost surely, 216868601 is an apocalyptic number.

It is an amenable number.

16868601 is a deficient number, since it is larger than the sum of its proper divisors (8121959).

16868601 is an equidigital number, since it uses as much as digits as its factorization.

16868601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624772 (or 624766 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 16868601 is about 4107.1402459619. The cubic root of 16868601 is about 256.4639667587.

It can be divided in two parts, 1686860 and 1, that added together give a palindrome (1686861).

The spelling of 16868601 in words is "sixteen million, eight hundred sixty-eight thousand, six hundred one".

Divisors: 1 3 9 27 624763 1874289 5622867 16868601