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445410001 = 4211057981
BaseRepresentation
bin11010100011000…
…110101011010001
31011001010011122201
4122203012223101
51403011110001
6112110403201
714015631301
oct3243065321
91131104581
10445410001
11209471143
12105200501
137138071a
1443225601
1529183501
hex1a8c6ad1

445410001 has 4 divisors (see below), whose sum is σ = 446468404. Its totient is φ = 444351600.

The previous prime is 445409999. The next prime is 445410061. The reversal of 445410001 is 100014544.

445410001 = 2652 + 2662 + ... + 11062.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27248400 + 418161601 = 5220^2 + 20449^2 .

It is a cyclic number.

It is not a de Polignac number, because 445410001 - 21 = 445409999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445410061) 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, 528570 + ... + 529411.

It is an arithmetic number, because the mean of its divisors is an integer number (111617101).

Almost surely, 2445410001 is an apocalyptic number.

It is an amenable number.

445410001 is a deficient number, since it is larger than the sum of its proper divisors (1058403).

445410001 is a wasteful number, since it uses less digits than its factorization.

445410001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058402.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 445410001 is about 21104.7388280452. The cubic root of 445410001 is about 763.6950718156.

Adding to 445410001 its reverse (100014544), we get a palindrome (545424545).

The spelling of 445410001 in words is "four hundred forty-five million, four hundred ten thousand, one".

Divisors: 1 421 1057981 445410001