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2827064880 = 243253926479
BaseRepresentation
bin1010100010000001…
…1001011000110000
321022000121202221200
42220200121120300
521242212034010
61144305451200
7130025440443
oct25040313060
97260552850
102827064880
111220893762
1266a940b00
13360915273
141cb66b65a
151182d3cc0
hexa8819630

2827064880 has 60 divisors (see below), whose sum is σ = 9494228640. Its totient is φ = 753883776.

The previous prime is 2827064879. The next prime is 2827064927. The reversal of 2827064880 is 884607282.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1962520 + ... + 1963959.

It is an arithmetic number, because the mean of its divisors is an integer number (158237144).

Almost surely, 22827064880 is an apocalyptic number.

2827064880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2827064880 is an abundant number, since it is smaller than the sum of its proper divisors (6667163760).

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

2827064880 is a wasteful number, since it uses less digits than its factorization.

2827064880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926498 (or 3926489 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 2827064880 is about 53170.1502724978. The cubic root of 2827064880 is about 1413.9864851227.

The spelling of 2827064880 in words is "two billion, eight hundred twenty-seven million, sixty-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 3926479 7852958 11779437 15705916 19632395 23558874 31411832 35338311 39264790 47117748 58897185 62823664 70676622 78529580 94235496 117794370 141353244 157059160 176691555 188470992 235588740 282706488 314118320 353383110 471177480 565412976 706766220 942354960 1413532440 2827064880