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445152305 = 513157181241
BaseRepresentation
bin11010100010000…
…111110000110001
31011000122002011102
4122202013300301
51402424333210
6112101054145
714013506063
oct3242076061
91130562142
10445152305
11209305574
121050b7355
13712c0340
1443199733
1529131ea5
hex1a887c31

445152305 has 32 divisors (see below), whose sum is σ = 584551968. Its totient is φ = 323481600.

The previous prime is 445152287. The next prime is 445152317. The reversal of 445152305 is 503251544.

It can be written as a sum of positive squares in 16 ways, for example, as 304397809 + 140754496 = 17447^2 + 11864^2 .

It is not a de Polignac number, because 445152305 - 214 = 445135921 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1846985 + ... + 1847225.

It is an arithmetic number, because the mean of its divisors is an integer number (18267249).

Almost surely, 2445152305 is an apocalyptic number.

It is an amenable number.

445152305 is a deficient number, since it is larger than the sum of its proper divisors (139399663).

445152305 is a wasteful number, since it uses less digits than its factorization.

445152305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 445152305 is about 21098.6327756089. The cubic root of 445152305 is about 763.5477624971.

The spelling of 445152305 in words is "four hundred forty-five million, one hundred fifty-two thousand, three hundred five".

Divisors: 1 5 13 65 157 181 241 785 905 1205 2041 2353 3133 10205 11765 15665 28417 37837 43621 142085 189185 218105 369421 491881 567073 1847105 2459405 2835365 6848497 34242485 89030461 445152305