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445107242 = 21224118181
BaseRepresentation
bin11010100001111…
…100110000101010
31011000112210100102
4122201330300222
51402421412432
6112100105402
714013230516
oct3241746052
91130483312
10445107242
11209284728
12105095262
13712a5988
1443187146
1529123962
hex1a87cc2a

445107242 has 8 divisors (see below), whose sum is σ = 667752132. Its totient is φ = 222523200.

The previous prime is 445107217. The next prime is 445107259. The reversal of 445107242 is 242701544.

It can be written as a sum of positive squares in 2 ways, for example, as 434680801 + 10426441 = 20849^2 + 3229^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15392 + ... + 33572.

Almost surely, 2445107242 is an apocalyptic number.

445107242 is a deficient number, since it is larger than the sum of its proper divisors (222644890).

445107242 is a wasteful number, since it uses less digits than its factorization.

445107242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30424.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 445107242 is about 21097.5648357814. The cubic root of 445107242 is about 763.5219968482.

Adding to 445107242 its reverse (242701544), we get a palindrome (687808786).

The spelling of 445107242 in words is "four hundred forty-five million, one hundred seven thousand, two hundred forty-two".

Divisors: 1 2 12241 18181 24482 36362 222553621 445107242