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2883880 = 235174241
BaseRepresentation
bin1011000000000100101000
312102111221101
423000010220
51214241010
6141451144
733340546
oct13000450
95374841
102883880
11169a77a
12b70ab4
1379c84c
14550d96
153be73a
hex2c0128

2883880 has 32 divisors (see below), whose sum is σ = 6872040. Its totient is φ = 1085440.

The previous prime is 2883851. The next prime is 2883887. The reversal of 2883880 is 883882.

It can be written as a sum of positive squares in 4 ways, for example, as 2883204 + 676 = 1698^2 + 26^2 .

It is not an unprimeable number, because it can be changed into a prime (2883887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1441 + ... + 2800.

22883880 is an apocalyptic number.

2883880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2883880 is an abundant number, since it is smaller than the sum of its proper divisors (3988160).

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

2883880 is a wasteful number, since it uses less digits than its factorization.

2883880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4269 (or 4265 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 2883880 is about 1698.1990460485. The cubic root of 2883880 is about 142.3395958514.

The spelling of 2883880 in words is "two million, eight hundred eighty-three thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 4241 8482 16964 21205 33928 42410 72097 84820 144194 169640 288388 360485 576776 720970 1441940 2883880