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800230015 = 513731371231
BaseRepresentation
bin101111101100101…
…000101001111111
32001202202220012201
4233230220221333
53114324330030
6211223412331
725554562054
oct5754505177
92052686181
10800230015
11380788722
121a3bb40a7
13c9a337b0
14783c902b
154a3c02ca
hex2fb28a7f

800230015 has 32 divisors (see below), whose sum is σ = 1056819456. Its totient is φ = 578119680.

The previous prime is 800229971. The next prime is 800230021. The reversal of 800230015 is 510032008.

It is a happy number.

It is not a de Polignac number, because 800230015 - 27 = 800229887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 800229974 and 800230001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 649450 + ... + 650680.

It is an arithmetic number, because the mean of its divisors is an integer number (33025608).

Almost surely, 2800230015 is an apocalyptic number.

800230015 is a deficient number, since it is larger than the sum of its proper divisors (256589441).

800230015 is a wasteful number, since it uses less digits than its factorization.

800230015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 800230015 is about 28288.3370843887. The cubic root of 800230015 is about 928.4067277851.

The spelling of 800230015 in words is "eight hundred million, two hundred thirty thousand, fifteen".

Divisors: 1 5 13 65 73 137 365 685 949 1231 1781 4745 6155 8905 10001 16003 50005 80015 89863 130013 168647 449315 650065 843235 1168219 2192411 5841095 10962055 12311231 61556155 160046003 800230015