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2828520772 = 2271123399283
BaseRepresentation
bin1010100010010111…
…1100110101000100
321022010100202001121
42220211330311010
521243100131042
61144401003324
7130044013150
oct25045746504
97263322047
102828520772
111221698580
1266b323544
13361004b3c
141cb92a060
151184c0367
hexa897cd44

2828520772 has 48 divisors (see below), whose sum is σ = 6439652352. Its totient is φ = 1054104480.

The previous prime is 2828520767. The next prime is 2828520781. The reversal of 2828520772 is 2770258282.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192558 + ... + 206725.

It is an arithmetic number, because the mean of its divisors is an integer number (134159424).

Almost surely, 22828520772 is an apocalyptic number.

2828520772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2828520772 is an abundant number, since it is smaller than the sum of its proper divisors (3611131580).

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

2828520772 is a wasteful number, since it uses less digits than its factorization.

2828520772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399328 (or 399326 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 2828520772 is about 53183.8393875433. The cubic root of 2828520772 is about 1414.2291700765.

The spelling of 2828520772 in words is "two billion, eight hundred twenty-eight million, five hundred twenty thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 11 14 22 23 28 44 46 77 92 154 161 253 308 322 506 644 1012 1771 3542 7084 399283 798566 1597132 2794981 4392113 5589962 8784226 9183509 11179924 17568452 18367018 30744791 36734036 61489582 64284563 101018599 122979164 128569126 202037198 257138252 404074396 707130193 1414260386 2828520772