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343670029 = 893861461
BaseRepresentation
bin10100011110111…
…111110100001101
3212221200020122121
4110132333310031
51200434420104
654034012541
711342101303
oct2436776415
9787606577
10343670029
11166aa141a
1297117151
135627ac61
1433900273
1520288254
hex147bfd0d

343670029 has 4 divisors (see below), whose sum is σ = 347531580. Its totient is φ = 339808480.

The previous prime is 343670009. The next prime is 343670051. The reversal of 343670029 is 920076343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920076343 = 5317359931.

It can be written as a sum of positive squares in 2 ways, for example, as 17867529 + 325802500 = 4227^2 + 18050^2 .

It is a cyclic number.

It is not a de Polignac number, because 343670029 - 217 = 343538957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343669976 and 343670003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343670009) 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, 1930642 + ... + 1930819.

It is an arithmetic number, because the mean of its divisors is an integer number (86882895).

Almost surely, 2343670029 is an apocalyptic number.

It is an amenable number.

343670029 is a deficient number, since it is larger than the sum of its proper divisors (3861551).

343670029 is an equidigital number, since it uses as much as digits as its factorization.

343670029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861550.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 343670029 is about 18538.3394348038. The cubic root of 343670029 is about 700.4555055689.

The spelling of 343670029 in words is "three hundred forty-three million, six hundred seventy thousand, twenty-nine".

Divisors: 1 89 3861461 343670029