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20412699 = 317400249
BaseRepresentation
bin100110111011…
…1100100011011
31102102001221220
41031313210123
520211201244
62005303123
7335335146
oct115674433
942361856
1020412699
11105823aa
126a04aa3
1342c9228
1429d505d
151bd3319
hex137791b

20412699 has 8 divisors (see below), whose sum is σ = 28818000. Its totient is φ = 12807936.

The previous prime is 20412697. The next prime is 20412703. The reversal of 20412699 is 99621402.

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

It is not a de Polignac number, because 20412699 - 21 = 20412697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20412697) 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, 200074 + ... + 200175.

It is an arithmetic number, because the mean of its divisors is an integer number (3602250).

Almost surely, 220412699 is an apocalyptic number.

20412699 is a deficient number, since it is larger than the sum of its proper divisors (8405301).

20412699 is a wasteful number, since it uses less digits than its factorization.

20412699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400269.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 20412699 is about 4518.0415004734. The cubic root of 20412699 is about 273.2961270330.

The spelling of 20412699 in words is "twenty million, four hundred twelve thousand, six hundred ninety-nine".

Divisors: 1 3 17 51 400249 1200747 6804233 20412699