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2864868384 = 25374263197
BaseRepresentation
bin1010101011000010…
…0110110000100000
321101122202101121110
42222300212300200
521331401242014
61152140023320
7130664656650
oct25260466040
97348671543
102864868384
111240164024
1267b531b40
133686c00c1
141d26ac360
1511b79ed59
hexaac26c20

2864868384 has 48 divisors (see below), whose sum is σ = 8594607168. Its totient is φ = 818533632.

The previous prime is 2864868371. The next prime is 2864868439. The reversal of 2864868384 is 4838684682.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130927 + ... + 2132270.

It is an arithmetic number, because the mean of its divisors is an integer number (179054316).

Almost surely, 22864868384 is an apocalyptic number.

2864868384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2864868384 is an abundant number, since it is smaller than the sum of its proper divisors (5729738784).

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

2864868384 is a wasteful number, since it uses less digits than its factorization.

2864868384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263217 (or 4263209 counting only the distinct ones).

The product of its digits is 14155776, while the sum is 57.

The square root of 2864868384 is about 53524.4652845780. The cubic root of 2864868384 is about 1420.2612069904.

The spelling of 2864868384 in words is "two billion, eight hundred sixty-four million, eight hundred sixty-eight thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 4263197 8526394 12789591 17052788 25579182 29842379 34105576 51158364 59684758 68211152 89527137 102316728 119369516 136422304 179054274 204633456 238739032 358108548 409266912 477478064 716217096 954956128 1432434192 2864868384