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29993849 = 471494283
BaseRepresentation
bin111001001101…
…0101101111001
32002102211211022
41302122231321
530134300344
62550512225
7512641424
oct162325571
962384738
1029993849
1115a26906
12a065675
1362a2252
143daa9bb
1529770ee
hex1c9ab79

29993849 has 8 divisors (see below), whose sum is σ = 30844800. Its totient is φ = 29151856.

The previous prime is 29993827. The next prime is 29993867. The reversal of 29993849 is 94839992.

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 29993849 - 212 = 29989753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 29993849.

It is not an unprimeable number, because it can be changed into a prime (29993149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4862 + ... + 9144.

It is an arithmetic number, because the mean of its divisors is an integer number (3855600).

Almost surely, 229993849 is an apocalyptic number.

It is an amenable number.

29993849 is a deficient number, since it is larger than the sum of its proper divisors (850951).

29993849 is a wasteful number, since it uses less digits than its factorization.

29993849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479.

The product of its digits is 1259712, while the sum is 53.

The square root of 29993849 is about 5476.6640393583. The cubic root of 29993849 is about 310.7020129359.

The spelling of 29993849 in words is "twenty-nine million, nine hundred ninety-three thousand, eight hundred forty-nine".

Divisors: 1 47 149 4283 7003 201301 638167 29993849