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445600945 = 5531681513
BaseRepresentation
bin11010100011110…
…101010010110001
31011001110212120201
4122203311102301
51403033212240
6112114435201
714020355056
oct3243652261
91131425521
10445600945
11209591649
12105292b01
13714195ca
144327502d
15291bed9a
hex1a8f54b1

445600945 has 8 divisors (see below), whose sum is σ = 544810536. Its totient is φ = 349754496.

The previous prime is 445600933. The next prime is 445600949. The reversal of 445600945 is 549006544.

It can be written as a sum of positive squares in 4 ways, for example, as 51022449 + 394578496 = 7143^2 + 19864^2 .

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 445600945 - 211 = 445598897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445600949) 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, 840492 + ... + 841021.

It is an arithmetic number, because the mean of its divisors is an integer number (68101317).

Almost surely, 2445600945 is an apocalyptic number.

It is an amenable number.

445600945 is a deficient number, since it is larger than the sum of its proper divisors (99209591).

445600945 is a wasteful number, since it uses less digits than its factorization.

445600945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681571.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 445600945 is about 21109.2620666853. The cubic root of 445600945 is about 763.8041863832.

The spelling of 445600945 in words is "four hundred forty-five million, six hundred thousand, nine hundred forty-five".

Divisors: 1 5 53 265 1681513 8407565 89120189 445600945