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82626625 = 533121323
BaseRepresentation
bin1001110110011…
…00100001000001
312202110212102101
410323030201001
5132123023000
612110550401
72022212644
oct473144101
9182425371
1082626625
1142705674
1223808401
131416cac3
14ad8ba5b
1573c1e6a
hex4ecc841

82626625 has 16 divisors (see below), whose sum is σ = 106449408. Its totient is φ = 63966000.

The previous prime is 82626623. The next prime is 82626631. The reversal of 82626625 is 52662628.

It is not a de Polignac number, because 82626625 - 21 = 82626623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82626623) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6787 + ... + 14536.

It is an arithmetic number, because the mean of its divisors is an integer number (6653088).

Almost surely, 282626625 is an apocalyptic number.

It is an amenable number.

82626625 is a deficient number, since it is larger than the sum of its proper divisors (23822783).

82626625 is a wasteful number, since it uses less digits than its factorization.

82626625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21369 (or 21359 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 82626625 is about 9089.9188665246. The cubic root of 82626625 is about 435.5519922566.

The spelling of 82626625 in words is "eighty-two million, six hundred twenty-six thousand, six hundred twenty-five".

Divisors: 1 5 25 31 125 155 775 3875 21323 106615 533075 661013 2665375 3305065 16525325 82626625