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830532920 = 23572966189
BaseRepresentation
bin110001100000001…
…110110100111000
32010212210102222112
4301200032310320
53200104023140
6214225111452
726403261530
oct6140166470
92125712875
10830532920
113968a5748
121b2188588
131030b35c9
147c4364c0
154cda8c65
hex3180ed38

830532920 has 32 divisors (see below), whose sum is σ = 2135656800. Its totient is φ = 284754048.

The previous prime is 830532907. The next prime is 830532961. The reversal of 830532920 is 29235038.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1482815 + ... + 1483374.

It is an arithmetic number, because the mean of its divisors is an integer number (66739275).

Almost surely, 2830532920 is an apocalyptic number.

It is an amenable number.

830532920 is an abundant number, since it is smaller than the sum of its proper divisors (1305123880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

830532920 is a wasteful number, since it uses less digits than its factorization.

830532920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966207 (or 2966203 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 830532920 is about 28818.9680592488. The cubic root of 830532920 is about 939.9807299505.

Adding to 830532920 its reverse (29235038), we get a palindrome (859767958).

The spelling of 830532920 in words is "eight hundred thirty million, five hundred thirty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 2966189 5932378 11864756 14830945 20763323 23729512 29661890 41526646 59323780 83053292 103816615 118647560 166106584 207633230 415266460 830532920