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445530061 = 3747256199
BaseRepresentation
bin11010100011100…
…011111111001101
31011001100021100101
4122203203333031
51403023430221
6112113131101
714016641314
oct3243437715
91131307311
10445530061
11209543369
12105259a91
13713c3272
144325727b
15291a8d91
hex1a8e3fcd

445530061 has 8 divisors (see below), whose sum is σ = 467308800. Its totient is φ = 424263888.

The previous prime is 445530049. The next prime is 445530091. The reversal of 445530061 is 160035544.

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

It is a cyclic number.

It is not a de Polignac number, because 445530061 - 219 = 445005773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445530011) 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, 126361 + ... + 129838.

It is an arithmetic number, because the mean of its divisors is an integer number (58413600).

Almost surely, 2445530061 is an apocalyptic number.

It is an amenable number.

445530061 is a deficient number, since it is larger than the sum of its proper divisors (21778739).

445530061 is a wasteful number, since it uses less digits than its factorization.

445530061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256283.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 445530061 is about 21107.5830212746. The cubic root of 445530061 is about 763.7636835015.

The spelling of 445530061 in words is "four hundred forty-five million, five hundred thirty thousand, sixty-one".

Divisors: 1 37 47 1739 256199 9479363 12041353 445530061