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80828844 = 22323928183
BaseRepresentation
bin1001101000101…
…01100110101100
312122002112022220
410310111212230
5131143010334
612004235340
72001014415
oct464254654
9178075286
1080828844
11416979a8
122309bb50
1313990725
14aa4080c
157169449
hex4d159ac

80828844 has 24 divisors (see below), whose sum is σ = 189396480. Its totient is φ = 26829264.

The previous prime is 80828819. The next prime is 80828893. The reversal of 80828844 is 44882808.

It is a junction number, because it is equal to n+sod(n) for n = 80828796 and 80828805.

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, 11224 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (7891520).

Almost surely, 280828844 is an apocalyptic number.

It is an amenable number.

80828844 is an abundant number, since it is smaller than the sum of its proper divisors (108567636).

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

80828844 is a wasteful number, since it uses less digits than its factorization.

80828844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28429 (or 28427 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 42.

The square root of 80828844 is about 8990.4863049782. The cubic root of 80828844 is about 432.3699035128.

The spelling of 80828844 in words is "eighty million, eight hundred twenty-eight thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 239 478 717 956 1434 2868 28183 56366 84549 112732 169098 338196 6735737 13471474 20207211 26942948 40414422 80828844