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6942429 = 341319347
BaseRepresentation
bin11010011110111011011101
3111001201020000
4122132323131
53234124204
6404444513
7113003214
oct32367335
914051200
106942429
113a11a4a
1223a9739
131590c60
14cca07b
15922039
hex69eedd

6942429 has 40 divisors (see below), whose sum is σ = 11790240. Its totient is φ = 4035744.

The previous prime is 6942413. The next prime is 6942431. The reversal of 6942429 is 9242496.

It is not a de Polignac number, because 6942429 - 24 = 6942413 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6942393 and 6942402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6942469) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19834 + ... + 20180.

It is an arithmetic number, because the mean of its divisors is an integer number (294756).

Almost surely, 26942429 is an apocalyptic number.

It is an amenable number.

6942429 is a deficient number, since it is larger than the sum of its proper divisors (4847811).

6942429 is a wasteful number, since it uses less digits than its factorization.

6942429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 382 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 6942429 is about 2634.8489520274. The cubic root of 6942429 is about 190.7672484427.

The spelling of 6942429 in words is "six million, nine hundred forty-two thousand, four hundred twenty-nine".

Divisors: 1 3 9 13 19 27 39 57 81 117 171 247 347 351 513 741 1041 1053 1539 2223 3123 4511 6593 6669 9369 13533 19779 20007 28107 40599 59337 85709 121797 178011 257127 365391 534033 771381 2314143 6942429