Search a number
-
+
2677988 = 225931129
BaseRepresentation
bin1010001101110011100100
312001001111202
422031303210
51141143423
6133222032
731522355
oct12156344
95031452
102677988
11156a015
12a91918
13729c11
144d9d2c
1537d728
hex28dce4

2677988 has 12 divisors (see below), whose sum is σ = 4698540. Its totient is φ = 1335552.

The previous prime is 2677973. The next prime is 2678009. The reversal of 2677988 is 8897762.

2677988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 850084 + 1827904 = 922^2 + 1352^2 .

It is an Ulam 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, 1808 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (391545).

22677988 is an apocalyptic number.

It is an amenable number.

2677988 is a deficient number, since it is larger than the sum of its proper divisors (2020552).

2677988 is a wasteful number, since it uses less digits than its factorization.

2677988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726 (or 1724 counting only the distinct ones).

The product of its digits is 338688, while the sum is 47.

The square root of 2677988 is about 1636.4559266904. The cubic root of 2677988 is about 138.8682221575.

The spelling of 2677988 in words is "two million, six hundred seventy-seven thousand, nine hundred eighty-eight".

Divisors: 1 2 4 593 1129 1186 2258 2372 4516 669497 1338994 2677988