Search a number
-
+
6890456 = 236531319
BaseRepresentation
bin11010010010001111011000
3110222001221002
4122102033120
53230443311
6403404132
7112365536
oct32221730
913861832
106890456
1139869a1
122383648
1315733c1
14cb5156
1591193b
hex6923d8

6890456 has 16 divisors (see below), whose sum is σ = 12949200. Its totient is φ = 3437344.

The previous prime is 6890453. The next prime is 6890497. The reversal of 6890456 is 6540986.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6890453) by changing a digit.

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, 4565 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (809325).

Almost surely, 26890456 is an apocalyptic number.

It is an amenable number.

6890456 is a deficient number, since it is larger than the sum of its proper divisors (6058744).

6890456 is a wasteful number, since it uses less digits than its factorization.

6890456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6890456 is about 2624.9678093264. The cubic root of 6890456 is about 190.2900095609.

The spelling of 6890456 in words is "six million, eight hundred ninety thousand, four hundred fifty-six".

Divisors: 1 2 4 8 653 1306 1319 2612 2638 5224 5276 10552 861307 1722614 3445228 6890456