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830208284 = 221012054971
BaseRepresentation
bin110001011110111…
…111100100011100
32010212011221122222
4301132333210130
53200013131114
6214214124512
726400440213
oct6136774434
92125157588
10830208284
113966a3854
121b2050738
13102ccb909
147c39007a
154cd4298e
hex317bf91c

830208284 has 12 divisors (see below), whose sum is σ = 1467250008. Its totient is φ = 410994000.

The previous prime is 830208187. The next prime is 830208289. The reversal of 830208284 is 482802038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830208289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027082 + ... + 1027889.

It is an arithmetic number, because the mean of its divisors is an integer number (122270834).

Almost surely, 2830208284 is an apocalyptic number.

It is an amenable number.

830208284 is a deficient number, since it is larger than the sum of its proper divisors (637041724).

830208284 is a wasteful number, since it uses less digits than its factorization.

830208284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055076 (or 2055074 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 830208284 is about 28813.3351766157. The cubic root of 830208284 is about 939.8582417888.

The spelling of 830208284 in words is "eight hundred thirty million, two hundred eight thousand, two hundred eighty-four".

Divisors: 1 2 4 101 202 404 2054971 4109942 8219884 207552071 415104142 830208284