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449131 is a prime number
BaseRepresentation
bin1101101101001101011
3211211002111
41231221223
5103333011
613343151
73550264
oct1555153
9754074
10449131
11287491
12197ab7
13129577
14b996b
158d121
hex6da6b

449131 has 2 divisors, whose sum is σ = 449132. Its totient is φ = 449130.

The previous prime is 449129. The next prime is 449149. The reversal of 449131 is 131944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449131 - 21 = 449129 is a prime.

It is a super-3 number, since 3×4491313 = 271794303933345273, which contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 449129, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224565 + 224566.

It is an arithmetic number, because the mean of its divisors is an integer number (224566).

2449131 is an apocalyptic number.

449131 is a deficient number, since it is larger than the sum of its proper divisors (1).

449131 is an equidigital number, since it uses as much as digits as its factorization.

449131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 449131 is about 670.1723658881. The cubic root of 449131 is about 76.5815838309.

The spelling of 449131 in words is "four hundred forty-nine thousand, one hundred thirty-one".