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29290993 = 67974507
BaseRepresentation
bin110111110111…
…1000111110001
32001010010200121
41233233013301
524444302433
62523450241
7503653324
oct157570761
961103617
1029290993
1115596836
129986981
1360b7364
143c667bb
152888c2d
hex1bef1f1

29290993 has 8 divisors (see below), whose sum is σ = 30041312. Its totient is φ = 28550016.

The previous prime is 29290991. The next prime is 29290999. The reversal of 29290993 is 39909292.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29290993 - 21 = 29290991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29290991) 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 7 ways as a sum of consecutive naturals, for example, 4246 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (3755164).

Almost surely, 229290993 is an apocalyptic number.

It is an amenable number.

29290993 is a deficient number, since it is larger than the sum of its proper divisors (750319).

29290993 is an equidigital number, since it uses as much as digits as its factorization.

29290993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671.

The product of its (nonzero) digits is 78732, while the sum is 43.

The square root of 29290993 is about 5412.1153904920. The cubic root of 29290993 is about 308.2558767859.

The spelling of 29290993 in words is "twenty-nine million, two hundred ninety thousand, nine hundred ninety-three".

Divisors: 1 67 97 4507 6499 301969 437179 29290993