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830063805 = 3555337587
BaseRepresentation
bin110001011110011…
…100010010111101
32010211220121110220
4301132130102331
53144444020210
6214211051553
726366266044
oct6136342275
92124817426
10830063805
1139660524a
121b1ba0bb9
13102c7ac1c
147c35355b
154cd14c70
hex3179c4bd

830063805 has 8 divisors (see below), whose sum is σ = 1328102112. Its totient is φ = 442700688.

The previous prime is 830063803. The next prime is 830063807. The reversal of 830063805 is 508360038.

It is an interprime number because it is at equal distance from previous prime (830063803) and next prime (830063807).

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

It is not a de Polignac number, because 830063805 - 21 = 830063803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830063803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27668779 + ... + 27668808.

It is an arithmetic number, because the mean of its divisors is an integer number (166012764).

Almost surely, 2830063805 is an apocalyptic number.

It is an amenable number.

830063805 is a deficient number, since it is larger than the sum of its proper divisors (498038307).

830063805 is a wasteful number, since it uses less digits than its factorization.

830063805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55337595.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 830063805 is about 28810.8279124360. The cubic root of 830063805 is about 939.8037182597.

The spelling of 830063805 in words is "eight hundred thirty million, sixty-three thousand, eight hundred five".

Divisors: 1 3 5 15 55337587 166012761 276687935 830063805