Search a number
-
+
2987684 = 227106703
BaseRepresentation
bin1011011001011010100100
312121210022222
423121122210
51231101214
6144011512
734252310
oct13313244
95553288
102987684
111760767
121000b98
13807b7b
1457ab40
153e038e
hex2d96a4

2987684 has 12 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 1280424.

The previous prime is 2987659. The next prime is 2987707. The reversal of 2987684 is 4867892.

2987684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2987684 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 53324 + ... + 53379.

It is an arithmetic number, because the mean of its divisors is an integer number (497952).

22987684 is an apocalyptic number.

It is an amenable number.

2987684 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2987684 is a wasteful number, since it uses less digits than its factorization.

2987684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106714 (or 106712 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 2987684 is about 1728.4918281554. The cubic root of 2987684 is about 144.0273224904.

The spelling of 2987684 in words is "two million, nine hundred eighty-seven thousand, six hundred eighty-four".

Divisors: 1 2 4 7 14 28 106703 213406 426812 746921 1493842 2987684