Search a number
-
+
20430714 = 236195501
BaseRepresentation
bin100110111101…
…1111101111010
31102102222200010
41031323331322
520212240324
62005522350
7335441523
oct115737572
942388603
1020430714
1110594997
126a133b6
1343044a5
1429db84a
151bd8829
hex137bf7a

20430714 has 16 divisors (see below), whose sum is σ = 40934880. Its totient is φ = 6798000.

The previous prime is 20430713. The next prime is 20430727. The reversal of 20430714 is 41703402.

It is not an unprimeable number, because it can be changed into a prime (20430713) 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, 964 + ... + 6464.

It is an arithmetic number, because the mean of its divisors is an integer number (2558430).

Almost surely, 220430714 is an apocalyptic number.

20430714 is an abundant number, since it is smaller than the sum of its proper divisors (20504166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20430714 is a wasteful number, since it uses less digits than its factorization.

20430714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 20430714 is about 4520.0347343798. The cubic root of 20430714 is about 273.3765015434.

The spelling of 20430714 in words is "twenty million, four hundred thirty thousand, seven hundred fourteen".

Divisors: 1 2 3 6 619 1238 1857 3714 5501 11002 16503 33006 3405119 6810238 10215357 20430714