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2028873966 = 237112942787
BaseRepresentation
bin111100011101110…
…0010100011101110
312020101200110212020
41320323202203232
513123342431331
6533153451010
7101164100310
oct17073424356
95211613766
102028873966
11951279049
12487570a66
13264446952
141536537b0
15bd1b7c96
hex78ee28ee

2028873966 has 32 divisors (see below), whose sum is σ = 4641642240. Its totient is φ = 579151296.

The previous prime is 2028873949. The next prime is 2028873997. The reversal of 2028873966 is 6693788202.

It is a congruent number.

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, 26025 + ... + 68811.

It is an arithmetic number, because the mean of its divisors is an integer number (145051320).

Almost surely, 22028873966 is an apocalyptic number.

2028873966 is an abundant number, since it is smaller than the sum of its proper divisors (2612768274).

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

2028873966 is a wasteful number, since it uses less digits than its factorization.

2028873966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43928.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 2028873966 is about 45043.0234997608. The cubic root of 2028873966 is about 1265.9552567362.

The spelling of 2028873966 in words is "two billion, twenty-eight million, eight hundred seventy-three thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 1129 2258 3387 6774 7903 15806 23709 42787 47418 85574 128361 256722 299509 599018 898527 1797054 48306523 96613046 144919569 289839138 338145661 676291322 1014436983 2028873966