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20358230 = 252035823
BaseRepresentation
bin100110110101…
…0010001010110
31102022022020112
41031222101112
520202430410
62004203022
7335020304
oct115522126
942268215
1020358230
1110545492
126999472
1342aa4b9
1429bd274
151bc2105
hex136a456

20358230 has 8 divisors (see below), whose sum is σ = 36644832. Its totient is φ = 8143288.

The previous prime is 20358229. The next prime is 20358241. The reversal of 20358230 is 3285302.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20358196 and 20358205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017902 + ... + 1017921.

It is an arithmetic number, because the mean of its divisors is an integer number (4580604).

Almost surely, 220358230 is an apocalyptic number.

20358230 is a deficient number, since it is larger than the sum of its proper divisors (16286602).

20358230 is a wasteful number, since it uses less digits than its factorization.

20358230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035830.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 20358230 is about 4512.0095301318. The cubic root of 20358230 is about 273.0528237981.

The spelling of 20358230 in words is "twenty million, three hundred fifty-eight thousand, two hundred thirty".

Divisors: 1 2 5 10 2035823 4071646 10179115 20358230