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83416641 = 3711361111
BaseRepresentation
bin1001111100011…
…01011001000001
312210222000010020
410332031121001
5132323313031
612135524053
72032013130
oct476153101
9183860106
1083416641
11430a5180
1223b29629
1314388579
14b115917
1574cb096
hex4f8d641

83416641 has 16 divisors (see below), whose sum is σ = 138667008. Its totient is φ = 43333200.

The previous prime is 83416639. The next prime is 83416643. The reversal of 83416641 is 14661438.

It is an interprime number because it is at equal distance from previous prime (83416639) and next prime (83416643).

It is not a de Polignac number, because 83416641 - 21 = 83416639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (83416643) 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 15 ways as a sum of consecutive naturals, for example, 180325 + ... + 180786.

It is an arithmetic number, because the mean of its divisors is an integer number (8666688).

Almost surely, 283416641 is an apocalyptic number.

It is an amenable number.

83416641 is a deficient number, since it is larger than the sum of its proper divisors (55250367).

83416641 is a wasteful number, since it uses less digits than its factorization.

83416641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361132.

The product of its digits is 13824, while the sum is 33.

The square root of 83416641 is about 9133.2711007612. The cubic root of 83416641 is about 436.9357357930.

The spelling of 83416641 in words is "eighty-three million, four hundred sixteen thousand, six hundred forty-one".

Divisors: 1 3 7 11 21 33 77 231 361111 1083333 2527777 3972221 7583331 11916663 27805547 83416641