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208896001 = 307680443
BaseRepresentation
bin11000111001110…
…00000000000001
3112120002000102221
430130320000001
5411434133001
632421211041
75114405146
oct1434700001
9476060387
10208896001
11a7a09726
1259b60a81
1334380502
141da5a3cd
15135151a1
hexc738001

208896001 has 4 divisors (see below), whose sum is σ = 209576752. Its totient is φ = 208215252.

The previous prime is 208895989. The next prime is 208896007. The reversal of 208896001 is 100698802.

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 208896001 - 221 = 206798849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (208896007) 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, 339915 + ... + 340528.

It is an arithmetic number, because the mean of its divisors is an integer number (52394188).

It is a Proth number, since it is equal to 6375 ⋅ 215 + 1 and 6375 < 215.

Almost surely, 2208896001 is an apocalyptic number.

It is an amenable number.

208896001 is a deficient number, since it is larger than the sum of its proper divisors (680751).

208896001 is an equidigital number, since it uses as much as digits as its factorization.

208896001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680750.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 208896001 is about 14453.2349666087. The cubic root of 208896001 is about 593.3487640294.

It can be divided in two parts, 2088 and 96001, that added together give a palindrome (98089).

The spelling of 208896001 in words is "two hundred eight million, eight hundred ninety-six thousand, one".

Divisors: 1 307 680443 208896001