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349801 is a prime number
BaseRepresentation
bin1010101011001101001
3122202211121
41111121221
542143201
611255241
72654554
oct1253151
9582747
10349801
112198a1
1214a521
13c32aa
149169b
156d9a1
hex55669

349801 has 2 divisors, whose sum is σ = 349802. Its totient is φ = 349800.

The previous prime is 349793. The next prime is 349813. The reversal of 349801 is 108943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 301401 + 48400 = 549^2 + 220^2 .

It is an emirp because it is prime and its reverse (108943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349801 - 23 = 349793 is a prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (349831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174900 + 174901.

It is an arithmetic number, because the mean of its divisors is an integer number (174901).

2349801 is an apocalyptic number.

349801 is the 265-th centered decagonal number.

It is an amenable number.

349801 is a deficient number, since it is larger than the sum of its proper divisors (1).

349801 is an equidigital number, since it uses as much as digits as its factorization.

349801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 349801 is about 591.4397687001. The cubic root of 349801 is about 70.4596284795.

The spelling of 349801 in words is "three hundred forty-nine thousand, eight hundred one".