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6825140 = 225748751
BaseRepresentation
bin11010000010010010110100
3110211202022222
4122002102310
53221401030
6402141512
7112004240
oct32022264
913752288
106825140
113941913
122351898
13154c75a
14c99420
158ec3e5
hex6824b4

6825140 has 24 divisors (see below), whose sum is σ = 16380672. Its totient is φ = 2340000.

The previous prime is 6825127. The next prime is 6825151. The reversal of 6825140 is 415286.

It is a nialpdrome in base 14.

It is a congruent number.

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, 24236 + ... + 24515.

It is an arithmetic number, because the mean of its divisors is an integer number (682528).

Almost surely, 26825140 is an apocalyptic number.

It is an amenable number.

6825140 is an abundant number, since it is smaller than the sum of its proper divisors (9555532).

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

6825140 is a wasteful number, since it uses less digits than its factorization.

6825140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48767 (or 48765 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 6825140 is about 2612.4968899503. The cubic root of 6825140 is about 189.6868340642.

The spelling of 6825140 in words is "six million, eight hundred twenty-five thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 48751 97502 195004 243755 341257 487510 682514 975020 1365028 1706285 3412570 6825140