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2878422084 = 223280879887
BaseRepresentation
bin1010101110010001…
…0011110001000100
321102121020222210100
42223210103301010
521343334001314
61153342324100
7131221120056
oct25344236104
97377228710
102878422084
11124788112a
12683b89630
1336b457345
141d43d98d6
1511ca7ac09
hexab913c44

2878422084 has 36 divisors (see below), whose sum is σ = 7277647104. Its totient is φ = 959258352.

The previous prime is 2878422083. The next prime is 2878422089. The reversal of 2878422084 is 4802248782.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2878422083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286189 + ... + 296075.

It is an arithmetic number, because the mean of its divisors is an integer number (202156864).

Almost surely, 22878422084 is an apocalyptic number.

It is an amenable number.

2878422084 is an abundant number, since it is smaller than the sum of its proper divisors (4399225020).

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

2878422084 is a wasteful number, since it uses less digits than its factorization.

2878422084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17984 (or 17979 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 45.

The square root of 2878422084 is about 53650.9280814414. The cubic root of 2878422084 is about 1422.4974373437.

The spelling of 2878422084 in words is "two billion, eight hundred seventy-eight million, four hundred twenty-two thousand, eighty-four".

Divisors: 1 2 3 4 6 9 12 18 36 8087 9887 16174 19774 24261 29661 32348 39548 48522 59322 72783 88983 97044 118644 145566 177966 291132 355932 79956169 159912338 239868507 319824676 479737014 719605521 959474028 1439211042 2878422084