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445334709 = 3612433523
BaseRepresentation
bin11010100010110…
…100010010110101
31011000222100101010
4122202310102311
51403001202314
6112105022433
714015165631
oct3242642265
91130870333
10445334709
1120941a616
12105184a19
1371355381
1443205dc1
152916b059
hex1a8b44b5

445334709 has 8 divisors (see below), whose sum is σ = 603513952. Its totient is φ = 292022640.

The previous prime is 445334699. The next prime is 445334713. The reversal of 445334709 is 907433544.

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

It is not a de Polignac number, because 445334709 - 28 = 445334453 is a prime.

It is a super-2 number, since 2×4453347092 = 396646006080229362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445334909) 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, 1216579 + ... + 1216944.

It is an arithmetic number, because the mean of its divisors is an integer number (75439244).

Almost surely, 2445334709 is an apocalyptic number.

It is an amenable number.

445334709 is a deficient number, since it is larger than the sum of its proper divisors (158179243).

445334709 is a wasteful number, since it uses less digits than its factorization.

445334709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433587.

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 445334709 is about 21102.9549826559. The cubic root of 445334709 is about 763.6520377800.

The spelling of 445334709 in words is "four hundred forty-five million, three hundred thirty-four thousand, seven hundred nine".

Divisors: 1 3 61 183 2433523 7300569 148444903 445334709