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2627990825 = 52105119633
BaseRepresentation
bin1001110010100011…
…1111010100101001
320210011000202200112
42130220333110221
520340231201300
61112434544105
7122060360555
oct23450772451
96704022615
102627990825
111129483449
12614138035
1332b5c3575
141ad04a865
15105aade35
hex9ca3f529

2627990825 has 6 divisors (see below), whose sum is σ = 3258708654. Its totient is φ = 2102392640.

The previous prime is 2627990821. The next prime is 2627990857. The reversal of 2627990825 is 5280997262.

It can be written as a sum of positive squares in 3 ways, for example, as 914941504 + 1713049321 = 30248^2 + 41389^2 .

It is not a de Polignac number, because 2627990825 - 22 = 2627990821 is a prime.

It is a super-3 number, since 3×26279908253 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2627990821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52559792 + ... + 52559841.

It is an arithmetic number, because the mean of its divisors is an integer number (543118109).

Almost surely, 22627990825 is an apocalyptic number.

2627990825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2627990825 is a deficient number, since it is larger than the sum of its proper divisors (630717829).

2627990825 is a wasteful number, since it uses less digits than its factorization.

2627990825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105119643 (or 105119638 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 2627990825 is about 51263.9329841166. The cubic root of 2627990825 is about 1379.9857915291.

The spelling of 2627990825 in words is "two billion, six hundred twenty-seven million, nine hundred ninety thousand, eight hundred twenty-five".

Divisors: 1 5 25 105119633 525598165 2627990825