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6850900 = 225279787
BaseRepresentation
bin11010001000100101010100
3110220001200001
4122020211110
53223212100
6402501044
7112142320
oct32104524
913801601
106850900
11395a201
122364784
13155b3b4
14ca4980
15904d6a
hex688954

6850900 has 36 divisors (see below), whose sum is σ = 16991968. Its totient is φ = 2348640.

The previous prime is 6850897. The next prime is 6850901. The reversal of 6850900 is 90586.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6850901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4194 + ... + 5593.

Almost surely, 26850900 is an apocalyptic number.

It is an amenable number.

6850900 is an abundant number, since it is smaller than the sum of its proper divisors (10141068).

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

6850900 is a wasteful number, since it uses less digits than its factorization.

6850900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9808 (or 9801 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 6850900 is about 2617.4223961753. The cubic root of 6850900 is about 189.9251782954.

It can be divided in two parts, 6850 and 900, that added together give a triangular number (7750 = T124).

The spelling of 6850900 in words is "six million, eight hundred fifty thousand, nine hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 9787 19574 39148 48935 68509 97870 137018 195740 244675 274036 342545 489350 685090 978700 1370180 1712725 3425450 6850900