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820676230 = 25117460693
BaseRepresentation
bin110000111010101…
…000011010000110
32010012020200010221
4300322220122012
53140043114410
6213233534554
726223430033
oct6072503206
92105220127
10820676230
11391283220
121aaa1445a
1310104204a
147adcc38a
154c0ad4da
hex30ea8686

820676230 has 16 divisors (see below), whose sum is σ = 1611509904. Its totient is φ = 298427680.

The previous prime is 820676201. The next prime is 820676251. The reversal of 820676230 is 32676028.

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, 3730237 + ... + 3730456.

It is an arithmetic number, because the mean of its divisors is an integer number (100719369).

Almost surely, 2820676230 is an apocalyptic number.

820676230 is a deficient number, since it is larger than the sum of its proper divisors (790833674).

820676230 is a wasteful number, since it uses less digits than its factorization.

820676230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7460711.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 820676230 is about 28647.4471812062. The cubic root of 820676230 is about 936.2473861827.

The spelling of 820676230 in words is "eight hundred twenty million, six hundred seventy-six thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 7460693 14921386 37303465 74606930 82067623 164135246 410338115 820676230