Search a number
-
+
2755940 = 2251112527
BaseRepresentation
bin1010100000110101100100
312012000102212
422200311210
51201142230
6135022552
732265545
oct12406544
95160385
102755940
111612640
12b0aa58
13756545
1451a4cc
15396895
hex2a0d64

2755940 has 24 divisors (see below), whose sum is σ = 6314112. Its totient is φ = 1002080.

The previous prime is 2755891. The next prime is 2755943. The reversal of 2755940 is 495572.

It is a junction number, because it is equal to n+sod(n) for n = 2755897 and 2755906.

It is not an unprimeable number, because it can be changed into a prime (2755943) 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, 6044 + ... + 6483.

It is an arithmetic number, because the mean of its divisors is an integer number (263088).

22755940 is an apocalyptic number.

2755940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2755940 is an abundant number, since it is smaller than the sum of its proper divisors (3558172).

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

2755940 is a wasteful number, since it uses less digits than its factorization.

2755940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12547 (or 12545 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2755940 is about 1660.1024064798. The cubic root of 2755940 is about 140.2027674068.

The spelling of 2755940 in words is "two million, seven hundred fifty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 12527 25054 50108 62635 125270 137797 250540 275594 551188 688985 1377970 2755940