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29986630 = 252998663
BaseRepresentation
bin111001001100…
…0111101000110
32002102110220221
41302120331012
530134033010
62550414554
7512611402
oct162307506
962373827
1029986630
1115a21443
12a06145a
13629bb8b
143da8102
152974dda
hex1c98f46

29986630 has 8 divisors (see below), whose sum is σ = 53975952. Its totient is φ = 11994648.

The previous prime is 29986577. The next prime is 29986631. The reversal of 29986630 is 3668992.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29986631) 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 3 ways as a sum of consecutive naturals, for example, 1499322 + ... + 1499341.

It is an arithmetic number, because the mean of its divisors is an integer number (6746994).

Almost surely, 229986630 is an apocalyptic number.

29986630 is a deficient number, since it is larger than the sum of its proper divisors (23989322).

29986630 is a wasteful number, since it uses less digits than its factorization.

29986630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998670.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 29986630 is about 5476.0049306041. The cubic root of 29986630 is about 310.6770840713.

The spelling of 29986630 in words is "twenty-nine million, nine hundred eighty-six thousand, six hundred thirty".

Divisors: 1 2 5 10 2998663 5997326 14993315 29986630