[go: up one dir, main page]

Search a number
-
+
6754945 = 54213209
BaseRepresentation
bin11001110001001010000001
3110201012001011
4121301022001
53212124240
6400440521
7111262501
oct31611201
913635034
106754945
1138a40aa
122319141
131526812
14c7ba01
158d66ea
hex671281

6754945 has 8 divisors (see below), whose sum is σ = 8127720. Its totient is φ = 5389440.

The previous prime is 6754889. The next prime is 6754961. The reversal of 6754945 is 5494576.

It can be written as a sum of positive squares in 4 ways, for example, as 144 + 6754801 = 12^2 + 2599^2 .

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

It is not a de Polignac number, because 6754945 - 27 = 6754817 is a prime.

6754945 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6754898 and 6754907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501 + ... + 3709.

It is an arithmetic number, because the mean of its divisors is an integer number (1015965).

Almost surely, 26754945 is an apocalyptic number.

It is an amenable number.

6754945 is a deficient number, since it is larger than the sum of its proper divisors (1372775).

6754945 is a wasteful number, since it uses less digits than its factorization.

6754945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635.

The product of its digits is 151200, while the sum is 40.

The square root of 6754945 is about 2599.0277028150. The cubic root of 6754945 is about 189.0342966604.

The spelling of 6754945 in words is "six million, seven hundred fifty-four thousand, nine hundred forty-five".

Divisors: 1 5 421 2105 3209 16045 1350989 6754945