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830638277 = 7118662611
BaseRepresentation
bin110001100000101…
…000100011000101
32010212222210111122
4301200220203011
53200120411102
6214231243325
726404210640
oct6140504305
92125883448
10830638277
11396967917
121b2219545
1310311c551
147c462a57
154cdca0a2
hex318288c5

830638277 has 4 divisors (see below), whose sum is σ = 949300896. Its totient is φ = 711975660.

The previous prime is 830638199. The next prime is 830638279. The reversal of 830638277 is 772836038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 830638277 - 214 = 830621893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830638279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59331299 + ... + 59331312.

It is an arithmetic number, because the mean of its divisors is an integer number (237325224).

Almost surely, 2830638277 is an apocalyptic number.

It is an amenable number.

830638277 is a deficient number, since it is larger than the sum of its proper divisors (118662619).

830638277 is a wasteful number, since it uses less digits than its factorization.

830638277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118662618.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 830638277 is about 28820.7959119799. The cubic root of 830638277 is about 940.0204752594.

The spelling of 830638277 in words is "eight hundred thirty million, six hundred thirty-eight thousand, two hundred seventy-seven".

Divisors: 1 7 118662611 830638277