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82541816 = 2371473961
BaseRepresentation
bin1001110101101…
…11110011111000
312202022120002022
410322313303320
5132112314231
612105054012
72021410460
oct472676370
9182276068
1082541816
1142657985
1223787308
1314140316
14ad68ba0
1573a6c7b
hex4eb7cf8

82541816 has 16 divisors (see below), whose sum is σ = 176875440. Its totient is φ = 35375040.

The previous prime is 82541813. The next prime is 82541819. The reversal of 82541816 is 61814528.

It is an interprime number because it is at equal distance from previous prime (82541813) and next prime (82541819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82541813) 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 3 ways as a sum of consecutive naturals, for example, 736925 + ... + 737036.

It is an arithmetic number, because the mean of its divisors is an integer number (11054715).

Almost surely, 282541816 is an apocalyptic number.

It is an amenable number.

82541816 is an abundant number, since it is smaller than the sum of its proper divisors (94333624).

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

82541816 is a wasteful number, since it uses less digits than its factorization.

82541816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473974 (or 1473970 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 82541816 is about 9085.2526657215. The cubic root of 82541816 is about 435.4029225741.

The spelling of 82541816 in words is "eighty-two million, five hundred forty-one thousand, eight hundred sixteen".

Divisors: 1 2 4 7 8 14 28 56 1473961 2947922 5895844 10317727 11791688 20635454 41270908 82541816