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676866125 = 531321792
BaseRepresentation
bin101000010110000…
…010100001001101
31202011122100202202
4220112002201031
52341234204000
6151055331245
722526160425
oct5026024115
91664570682
10676866125
113180895a1
1216a820b25
13aa2cc700
1465c75485
153e652dd5
hex2858284d

676866125 has 36 divisors (see below), whose sum is σ = 919845108. Its totient is φ = 497047200.

The previous prime is 676866109. The next prime is 676866137. The reversal of 676866125 is 521668676.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 476898244 + 199967881 = 21838^2 + 14141^2 .

It is not a de Polignac number, because 676866125 - 24 = 676866109 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 676866125.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 3781286 + ... + 3781464.

It is an arithmetic number, because the mean of its divisors is an integer number (25551253).

Almost surely, 2676866125 is an apocalyptic number.

676866125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

676866125 is a deficient number, since it is larger than the sum of its proper divisors (242978983).

676866125 is an equidigital number, since it uses as much as digits as its factorization.

676866125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 197 counting only the distinct ones).

The product of its digits is 725760, while the sum is 47.

The square root of 676866125 is about 26016.6509182101. The cubic root of 676866125 is about 878.0129602541.

The spelling of 676866125 in words is "six hundred seventy-six million, eight hundred sixty-six thousand, one hundred twenty-five".

Divisors: 1 5 13 25 65 125 169 179 325 845 895 1625 2327 4225 4475 11635 21125 22375 30251 32041 58175 151255 160205 290875 416533 756275 801025 2082665 3781375 4005125 5414929 10413325 27074645 52066625 135373225 676866125