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354213 = 344373
BaseRepresentation
bin1010110011110100101
3122222220000
41112132211
542313323
611331513
73003456
oct1263645
9588800
10354213
11222142
12150b99
13c52c2
149312d
156ee43
hex567a5

354213 has 10 divisors (see below), whose sum is σ = 529254. Its totient is φ = 236088.

The previous prime is 354209. The next prime is 354247. The reversal of 354213 is 312453.

It can be written as a sum of positive squares in only one way, i.e., 311364 + 42849 = 558^2 + 207^2 .

It is not a de Polignac number, because 354213 - 22 = 354209 is a prime.

It is a super-3 number, since 3×3542133 = 133325967346624791, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2106 + ... + 2267.

2354213 is an apocalyptic number.

It is an amenable number.

354213 is a deficient number, since it is larger than the sum of its proper divisors (175041).

354213 is an equidigital number, since it uses as much as digits as its factorization.

354213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385 (or 4376 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 354213 is about 595.1579622252. The cubic root of 354213 is about 70.7546247606.

Adding to 354213 its reverse (312453), we get a palindrome (666666).

The spelling of 354213 in words is "three hundred fifty-four thousand, two hundred thirteen".

Divisors: 1 3 9 27 81 4373 13119 39357 118071 354213