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445204001 = 11191313677
BaseRepresentation
bin11010100010010…
…100011000100001
31011000201201002002
4122202110120201
51402433012001
6112102133345
714014112564
oct3242243041
91130651062
10445204001
112093403a0
12105121255
137130aa28
14431b04db
152914246b
hex1a894621

445204001 has 16 divisors (see below), whose sum is σ = 490503168. Its totient is φ = 400732800.

The previous prime is 445203959. The next prime is 445204013. The reversal of 445204001 is 100402544.

It is a cyclic number.

It is not a de Polignac number, because 445204001 - 218 = 444941857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445204301) 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 15 ways as a sum of consecutive naturals, for example, 657275 + ... + 657951.

It is an arithmetic number, because the mean of its divisors is an integer number (30656448).

Almost surely, 2445204001 is an apocalyptic number.

It is an amenable number.

445204001 is a deficient number, since it is larger than the sum of its proper divisors (45299167).

445204001 is a wasteful number, since it uses less digits than its factorization.

445204001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 445204001 is about 21099.8578431230. The cubic root of 445204001 is about 763.5773185515.

Adding to 445204001 its reverse (100402544), we get a palindrome (545606545).

The spelling of 445204001 in words is "four hundred forty-five million, two hundred four thousand, one".

Divisors: 1 11 191 313 677 2101 3443 7447 59783 129307 211901 657613 1422377 2330911 40473091 445204001