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800028430 = 25372162239
BaseRepresentation
bin101111101011110…
…111011100001110
32001202101122200121
4233223313130032
53114301402210
6211215215154
725553062255
oct5753673416
92052348617
10800028430
11380660223
121a3b174ba
13c9992b06
147837579c
154a3806da
hex2faf770e

800028430 has 16 divisors (see below), whose sum is σ = 1478972160. Its totient is φ = 311362272.

The previous prime is 800028419. The next prime is 800028443. The reversal of 800028430 is 34820008.

It is a junction number, because it is equal to n+sod(n) for n = 800028395 and 800028404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080750 + ... + 1081489.

It is an arithmetic number, because the mean of its divisors is an integer number (92435760).

Almost surely, 2800028430 is an apocalyptic number.

800028430 is a deficient number, since it is larger than the sum of its proper divisors (678943730).

800028430 is a wasteful number, since it uses less digits than its factorization.

800028430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162283.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 800028430 is about 28284.7738191416. The cubic root of 800028430 is about 928.3287632898.

Adding to 800028430 its reverse (34820008), we get a palindrome (834848438).

The spelling of 800028430 in words is "eight hundred million, twenty-eight thousand, four hundred thirty".