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206277425 = 528251097
BaseRepresentation
bin11000100101110…
…00101100110001
3112101010222102122
430102320230301
5410301334200
632245124025
75053220624
oct1422705461
9471128378
10206277425
11a6490312
12590b9615
1333974663
141d577dbb
1513199385
hexc4b8b31

206277425 has 6 divisors (see below), whose sum is σ = 255784038. Its totient is φ = 165021920.

The previous prime is 206277413. The next prime is 206277427. The reversal of 206277425 is 524772602.

It can be written as a sum of positive squares in 3 ways, for example, as 4892944 + 201384481 = 2212^2 + 14191^2 .

It is not a de Polignac number, because 206277425 - 26 = 206277361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206277427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4125524 + ... + 4125573.

It is an arithmetic number, because the mean of its divisors is an integer number (42630673).

Almost surely, 2206277425 is an apocalyptic number.

206277425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206277425 is a deficient number, since it is larger than the sum of its proper divisors (49506613).

206277425 is an equidigital number, since it uses as much as digits as its factorization.

206277425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8251107 (or 8251102 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 206277425 is about 14362.3614005497. The cubic root of 206277425 is about 590.8590616959.

The spelling of 206277425 in words is "two hundred six million, two hundred seventy-seven thousand, four hundred twenty-five".

Divisors: 1 5 25 8251097 41255485 206277425