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16289801 = 111480891
BaseRepresentation
bin111110001001…
…000000001001
31010122121101222
4332021000021
513132233201
61341051425
7255314063
oct76110011
933577358
1016289801
119216850
125556b75
1334b4748
142240733
15166b91b
hexf89009

16289801 has 4 divisors (see below), whose sum is σ = 17770704. Its totient is φ = 14808900.

The previous prime is 16289797. The next prime is 16289807. The reversal of 16289801 is 10898261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16289801 - 22 = 16289797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16289807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740435 + ... + 740456.

It is an arithmetic number, because the mean of its divisors is an integer number (4442676).

Almost surely, 216289801 is an apocalyptic number.

16289801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16289801 is a deficient number, since it is larger than the sum of its proper divisors (1480903).

16289801 is a wasteful number, since it uses less digits than its factorization.

16289801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480902.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 16289801 is about 4036.0625614576. The cubic root of 16289801 is about 253.4964759796.

The spelling of 16289801 in words is "sixteen million, two hundred eighty-nine thousand, eight hundred one".

Divisors: 1 11 1480891 16289801