Search a number
-
+
2756806 = 213106031
BaseRepresentation
bin1010100001000011000110
312012001121221
422201003012
51201204211
6135030554
732301223
oct12410306
95161557
102756806
111613258
12b0b45a
13756a60
1451a94a
15396c71
hex2a10c6

2756806 has 8 divisors (see below), whose sum is σ = 4453344. Its totient is φ = 1272360.

The previous prime is 2756801. The next prime is 2756821. The reversal of 2756806 is 6086572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52990 + ... + 53041.

It is an arithmetic number, because the mean of its divisors is an integer number (556668).

22756806 is an apocalyptic number.

2756806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2756806 is a deficient number, since it is larger than the sum of its proper divisors (1696538).

2756806 is a wasteful number, since it uses less digits than its factorization.

2756806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106046.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2756806 is about 1660.3632132759. The cubic root of 2756806 is about 140.2174511906.

The spelling of 2756806 in words is "two million, seven hundred fifty-six thousand, eight hundred six".

Divisors: 1 2 13 26 106031 212062 1378403 2756806