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343402 = 21031667
BaseRepresentation
bin1010011110101101010
3122110001121
41103311222
541442102
611205454
72630113
oct1236552
9573047
10343402
11215004
1214688a
13c03c7
148d20a
156bb37
hex53d6a

343402 has 8 divisors (see below), whose sum is σ = 520416. Its totient is φ = 169932.

The previous prime is 343393. The next prime is 343411. The reversal of 343402 is 204343.

It is an interprime number because it is at equal distance from previous prime (343393) and next prime (343411).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 628 + ... + 1039.

It is an arithmetic number, because the mean of its divisors is an integer number (65052).

2343402 is an apocalyptic number.

343402 is a deficient number, since it is larger than the sum of its proper divisors (177014).

343402 is a wasteful number, since it uses less digits than its factorization.

343402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 343402 is about 586.0051194316. The cubic root of 343402 is about 70.0273362621.

Adding to 343402 its reverse (204343), we get a palindrome (547745).

The spelling of 343402 in words is "three hundred forty-three thousand, four hundred two", and thus it is an iban number.

Divisors: 1 2 103 206 1667 3334 171701 343402