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342481 is a prime number
BaseRepresentation
bin1010011100111010001
3122101210111
41103213101
541424411
611201321
72624326
oct1234721
9571714
10342481
11214347
12146241
13bcb69
148cb4d
156b721
hex539d1

342481 has 2 divisors, whose sum is σ = 342482. Its totient is φ = 342480.

The previous prime is 342469. The next prime is 342497. The reversal of 342481 is 184243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342225 + 256 = 585^2 + 16^2 .

It is a cyclic number.

It is not a de Polignac number, because 342481 - 25 = 342449 is a prime.

It is a super-2 number, since 2×3424812 = 234586470722, which contains 22 as substring.

It is a Chen prime.

342481 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (342421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171240 + 171241.

It is an arithmetic number, because the mean of its divisors is an integer number (171241).

2342481 is an apocalyptic number.

It is an amenable number.

342481 is a deficient number, since it is larger than the sum of its proper divisors (1).

342481 is an equidigital number, since it uses as much as digits as its factorization.

342481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 22.

The square root of 342481 is about 585.2187625154. The cubic root of 342481 is about 69.9646760551.

The spelling of 342481 in words is "three hundred forty-two thousand, four hundred eighty-one".