Search a number
-
+
6925890 = 235230863
BaseRepresentation
bin11010011010111001000010
3111000212112110
4122122321002
53233112030
6404240150
7112604046
oct32327102
914025473
106925890
113a00584
1223a0056
13158657a
14cc4026
1591c1b0
hex69ae42

6925890 has 16 divisors (see below), whose sum is σ = 16622208. Its totient is φ = 1846896.

The previous prime is 6925889. The next prime is 6925901. The reversal of 6925890 is 985296.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

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 7 ways as a sum of consecutive naturals, for example, 115402 + ... + 115461.

It is an arithmetic number, because the mean of its divisors is an integer number (1038888).

Almost surely, 26925890 is an apocalyptic number.

6925890 is an abundant number, since it is smaller than the sum of its proper divisors (9696318).

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

6925890 is a wasteful number, since it uses less digits than its factorization.

6925890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230873.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 6925890 is about 2631.7085704918. The cubic root of 6925890 is about 190.6156392429.

The spelling of 6925890 in words is "six million, nine hundred twenty-five thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 230863 461726 692589 1154315 1385178 2308630 3462945 6925890