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29986418 = 2711194717
BaseRepresentation
bin111001001100…
…0111001110010
32002102110122002
41302120321302
530134031133
62550414002
7512610650
oct162307162
962373562
1029986418
1115a21270
12a061302
13629ba57
143da7dd0
152974ce8
hex1c98e72

29986418 has 16 divisors (see below), whose sum is σ = 56078784. Its totient is φ = 11682960.

The previous prime is 29986417. The next prime is 29986433. The reversal of 29986418 is 81468992.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (29986417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97205 + ... + 97512.

It is an arithmetic number, because the mean of its divisors is an integer number (3504924).

Almost surely, 229986418 is an apocalyptic number.

29986418 is a deficient number, since it is larger than the sum of its proper divisors (26092366).

29986418 is a wasteful number, since it uses less digits than its factorization.

29986418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194737.

The product of its digits is 248832, while the sum is 47.

The square root of 29986418 is about 5475.9855733922. The cubic root of 29986418 is about 310.6763519261.

The spelling of 29986418 in words is "twenty-nine million, nine hundred eighty-six thousand, four hundred eighteen".

Divisors: 1 2 7 11 14 22 77 154 194717 389434 1363019 2141887 2726038 4283774 14993209 29986418