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445002401 = 19227103177
BaseRepresentation
bin11010100001100…
…011001010100001
31011000100110112102
4122201203022201
51402410034101
6112053540145
714012313044
oct3241431241
91130313472
10445002401
11209212988
12105044655
137126a03c
144315ac5b
152910286b
hex1a8632a1

445002401 has 8 divisors (see below), whose sum is σ = 470491680. Its totient is φ = 419719968.

The previous prime is 445002359. The next prime is 445002433. The reversal of 445002401 is 104200544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-445002401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445002451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47276 + ... + 55901.

It is an arithmetic number, because the mean of its divisors is an integer number (58811460).

Almost surely, 2445002401 is an apocalyptic number.

It is an amenable number.

445002401 is a deficient number, since it is larger than the sum of its proper divisors (25489279).

445002401 is a wasteful number, since it uses less digits than its factorization.

445002401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103423.

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

The square root of 445002401 is about 21095.0800188101. The cubic root of 445002401 is about 763.4620452322.

Adding to 445002401 its reverse (104200544), we get a palindrome (549202945).

The spelling of 445002401 in words is "four hundred forty-five million, two thousand, four hundred one".

Divisors: 1 19 227 4313 103177 1960363 23421179 445002401