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449285641 = 7197332531
BaseRepresentation
bin11010110001111…
…000111000001001
31011022102002000221
4122301320320021
51410004120031
6112325430041
714063602450
oct3261707011
91138362027
10449285641
11210678a52
1210656b321
13721097bc
1443953b97
152969ba11
hex1ac78e09

449285641 has 8 divisors (see below), whose sum is σ = 513745344. Its totient is φ = 384894960.

The previous prime is 449285623. The next prime is 449285653. The reversal of 449285641 is 146582944.

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 449285641 - 27 = 449285513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449285041) 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, 2455 + ... + 30076.

It is an arithmetic number, because the mean of its divisors is an integer number (64218168).

Almost surely, 2449285641 is an apocalyptic number.

It is an amenable number.

449285641 is a deficient number, since it is larger than the sum of its proper divisors (64459703).

449285641 is a wasteful number, since it uses less digits than its factorization.

449285641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34511.

The product of its digits is 276480, while the sum is 43.

The square root of 449285641 is about 21196.3591449098. The cubic root of 449285641 is about 765.9037213080.

The spelling of 449285641 in words is "four hundred forty-nine million, two hundred eighty-five thousand, six hundred forty-one".

Divisors: 1 7 1973 13811 32531 227717 64183663 449285641