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345694029 = 3115231343
BaseRepresentation
bin10100100110101…
…101111101001101
3220002111002001120
4110212231331031
51201444202104
654145231153
711365231212
oct2446557515
9802432046
10345694029
1116815404a
12979324b9
13568092a5
1433ca9b09
1520537cd9
hex149adf4d

345694029 has 4 divisors (see below), whose sum is σ = 460925376. Its totient is φ = 230462684.

The previous prime is 345694003. The next prime is 345694033. The reversal of 345694029 is 920496543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 920496543 = 3306832181.

It is a cyclic number.

It is not a de Polignac number, because 345694029 - 217 = 345562957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345694829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57615669 + ... + 57615674.

It is an arithmetic number, because the mean of its divisors is an integer number (115231344).

Almost surely, 2345694029 is an apocalyptic number.

It is an amenable number.

345694029 is a deficient number, since it is larger than the sum of its proper divisors (115231347).

345694029 is a wasteful number, since it uses less digits than its factorization.

345694029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115231346.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 345694029 is about 18592.8488672393. The cubic root of 345694029 is about 701.8278954888.

The spelling of 345694029 in words is "three hundred forty-five million, six hundred ninety-four thousand, twenty-nine".

Divisors: 1 3 115231343 345694029