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341668409 = 1721198529
BaseRepresentation
bin10100010111010…
…111001000111001
3212210220112221112
4110113113020321
51144431342114
653523050105
711316063545
oct2427271071
9783815845
10341668409
11165954595
1296510935
1355a29b74
143353ca25
151eee013e
hex145d7239

341668409 has 4 divisors (see below), whose sum is σ = 341868660. Its totient is φ = 341468160.

The previous prime is 341668403. The next prime is 341668463. The reversal of 341668409 is 904866143.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 236544400 + 105124009 = 15380^2 + 10253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-341668409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (341668403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97544 + ... + 100985.

It is an arithmetic number, because the mean of its divisors is an integer number (85467165).

Almost surely, 2341668409 is an apocalyptic number.

It is an amenable number.

341668409 is a deficient number, since it is larger than the sum of its proper divisors (200251).

341668409 is a wasteful number, since it uses less digits than its factorization.

341668409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200250.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 341668409 is about 18484.2746408941. The cubic root of 341668409 is about 699.0929810279.

The spelling of 341668409 in words is "three hundred forty-one million, six hundred sixty-eight thousand, four hundred nine".

Divisors: 1 1721 198529 341668409