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29312406 = 2321628467
BaseRepresentation
bin110111111010…
…0010110010110
32001011020001200
41233310112112
530000444111
62524133330
7504102624
oct157642626
961136050
1029312406
1115600932
129997246
1360c4026
143c70514
152890256
hex1bf4596

29312406 has 12 divisors (see below), whose sum is σ = 63510252. Its totient is φ = 9770796.

The previous prime is 29312401. The next prime is 29312449. The reversal of 29312406 is 60421392.

It is a self number, because there is not a number n which added to its sum of digits gives 29312406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29312401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 814216 + ... + 814251.

It is an arithmetic number, because the mean of its divisors is an integer number (5292521).

Almost surely, 229312406 is an apocalyptic number.

29312406 is an abundant number, since it is smaller than the sum of its proper divisors (34197846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29312406 is a wasteful number, since it uses less digits than its factorization.

29312406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628475 (or 1628472 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 29312406 is about 5414.0932758866. The cubic root of 29312406 is about 308.3309746756.

Adding to 29312406 its reverse (60421392), we get a palindrome (89733798).

The spelling of 29312406 in words is "twenty-nine million, three hundred twelve thousand, four hundred six".

Divisors: 1 2 3 6 9 18 1628467 3256934 4885401 9770802 14656203 29312406