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445093471 = 1273504673
BaseRepresentation
bin11010100001111…
…001011001011111
31011000112002110101
4122201321121133
51402420442341
6112055521531
714013142414
oct3241713137
91130462411
10445093471
11209275349
121050892a7
137129c624
144318210b
152911e831
hex1a87965f

445093471 has 4 divisors (see below), whose sum is σ = 448598272. Its totient is φ = 441588672.

The previous prime is 445093459. The next prime is 445093511. The reversal of 445093471 is 174390544.

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

It is a cyclic number.

It is not a de Polignac number, because 445093471 - 27 = 445093343 is a prime.

It is a super-3 number, since 3×4450934713 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445093471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445093871) 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 3 ways as a sum of consecutive naturals, for example, 1752210 + ... + 1752463.

It is an arithmetic number, because the mean of its divisors is an integer number (112149568).

Almost surely, 2445093471 is an apocalyptic number.

445093471 is a deficient number, since it is larger than the sum of its proper divisors (3504801).

445093471 is a wasteful number, since it uses less digits than its factorization.

445093471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504800.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 445093471 is about 21097.2384685769. The cubic root of 445093471 is about 763.5141226636.

The spelling of 445093471 in words is "four hundred forty-five million, ninety-three thousand, four hundred seventy-one".

Divisors: 1 127 3504673 445093471