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354434 = 2177217
BaseRepresentation
bin1010110100010000010
3200000012012
41112202002
542320214
611332522
73004223
oct1264202
9600165
10354434
11222323
12151142
13c5432
149324a
157003e
hex56882

354434 has 4 divisors (see below), whose sum is σ = 531654. Its totient is φ = 177216.

The previous prime is 354421. The next prime is 354439. The reversal of 354434 is 434453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434453 = 479907.

It can be written as a sum of positive squares in only one way, i.e., 299209 + 55225 = 547^2 + 235^2 .

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354439) by changing a digit.

354434 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88607 + ... + 88610.

2354434 is an apocalyptic number.

354434 is a deficient number, since it is larger than the sum of its proper divisors (177220).

354434 is a wasteful number, since it uses less digits than its factorization.

354434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177219.

The product of its digits is 2880, while the sum is 23.

The square root of 354434 is about 595.3435982691. The cubic root of 354434 is about 70.7693367382.

Adding to 354434 its reverse (434453), we get a palindrome (788887).

The spelling of 354434 in words is "three hundred fifty-four thousand, four hundred thirty-four".

Divisors: 1 2 177217 354434