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445247375 = 5322315973
BaseRepresentation
bin11010100010011…
…110111110001111
31011000210220120112
4122202132332033
51402440404000
6112103110235
714014353206
oct3242367617
91130726515
10445247375
1120936aa41
1210514237b
13713246b1
14431c223d
1529150235
hex1a89ef8f

445247375 has 16 divisors (see below), whose sum is σ = 558195456. Its totient is φ = 354578400.

The previous prime is 445247321. The next prime is 445247393. The reversal of 445247375 is 573742544.

It is not a de Polignac number, because 445247375 - 214 = 445230991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19889 + ... + 35861.

It is an arithmetic number, because the mean of its divisors is an integer number (34887216).

Almost surely, 2445247375 is an apocalyptic number.

445247375 is a deficient number, since it is larger than the sum of its proper divisors (112948081).

445247375 is a wasteful number, since it uses less digits than its factorization.

445247375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211 (or 16201 counting only the distinct ones).

The product of its digits is 470400, while the sum is 41.

The square root of 445247375 is about 21100.8856449202. The cubic root of 445247375 is about 763.6021149198.

The spelling of 445247375 in words is "four hundred forty-five million, two hundred forty-seven thousand, three hundred seventy-five".

Divisors: 1 5 25 125 223 1115 5575 15973 27875 79865 399325 1996625 3561979 17809895 89049475 445247375