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445472343 = 32139356093
BaseRepresentation
bin11010100011010…
…101111001010111
31011001020100011200
4122203111321113
51403020103333
6112112003543
714016311121
oct3243257127
91131210150
10445472343
11209503a68
121052305b3
13713a2c04
1443240211
1529196c13
hex1a8d5e57

445472343 has 12 divisors (see below), whose sum is σ = 648091080. Its totient is φ = 294844176.

The previous prime is 445472311. The next prime is 445472359. The reversal of 445472343 is 343274544.

It is not a de Polignac number, because 445472343 - 25 = 445472311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445472298 and 445472307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445472543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176796 + ... + 179297.

It is an arithmetic number, because the mean of its divisors is an integer number (54007590).

Almost surely, 2445472343 is an apocalyptic number.

445472343 is a deficient number, since it is larger than the sum of its proper divisors (202618737).

445472343 is a wasteful number, since it uses less digits than its factorization.

445472343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356238 (or 356235 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

The square root of 445472343 is about 21106.2157432355. The cubic root of 445472343 is about 763.7307004551.

The spelling of 445472343 in words is "four hundred forty-five million, four hundred seventy-two thousand, three hundred forty-three".

Divisors: 1 3 9 139 417 1251 356093 1068279 3204837 49496927 148490781 445472343