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2878116 = 223239843
BaseRepresentation
bin1010111110101010100100
312102020000220
422332222210
51214044431
6141404340
733315003
oct12765244
95366026
102878116
11169640a
12b696b0
1379a037
1454cc3a
153bcb96
hex2beaa4

2878116 has 12 divisors (see below), whose sum is σ = 6715632. Its totient is φ = 959368.

The previous prime is 2878093. The next prime is 2878123. The reversal of 2878116 is 6118782.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119910 + ... + 119933.

It is an arithmetic number, because the mean of its divisors is an integer number (559636).

22878116 is an apocalyptic number.

It is an amenable number.

2878116 is an abundant number, since it is smaller than the sum of its proper divisors (3837516).

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

2878116 is a wasteful number, since it uses less digits than its factorization.

2878116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239850 (or 239848 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 2878116 is about 1696.5011052163. The cubic root of 2878116 is about 142.2447013984.

The spelling of 2878116 in words is "two million, eight hundred seventy-eight thousand, one hundred sixteen".

Divisors: 1 2 3 4 6 12 239843 479686 719529 959372 1439058 2878116