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1445027065 = 5317911689
BaseRepresentation
bin101011000100001…
…0101110011111001
310201201001222110221
41112020111303321
510424411331230
6355215540041
750544345616
oct12610256371
93651058427
101445027065
11681753249
12343b2a621
131a04b5501
14d9cb350d
1586cdb27a
hex56215cf9

1445027065 has 8 divisors (see below), whose sum is σ = 1739504520. Its totient is φ = 1152373632.

The previous prime is 1445027057. The next prime is 1445027107. The reversal of 1445027065 is 5607205441.

It can be written as a sum of positive squares in 4 ways, for example, as 114921 + 1444912144 = 339^2 + 38012^2 .

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 1445027065 - 23 = 1445027057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445027065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454260 + ... + 457429.

It is an arithmetic number, because the mean of its divisors is an integer number (217438065).

Almost surely, 21445027065 is an apocalyptic number.

It is an amenable number.

1445027065 is a deficient number, since it is larger than the sum of its proper divisors (294477455).

1445027065 is an equidigital number, since it uses as much as digits as its factorization.

1445027065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912011.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 1445027065 is about 38013.5116110048. The cubic root of 1445027065 is about 1130.5557777156. Note that the first 3 decimals are identical.

The spelling of 1445027065 in words is "one billion, four hundred forty-five million, twenty-seven thousand, sixty-five".

Divisors: 1 5 317 1585 911689 4558445 289005413 1445027065