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83065564 = 2220766391
BaseRepresentation
bin1001111001101…
…11101011011100
312210022011112101
410330313223130
5132231044224
612124214444
72026021441
oct474675334
9183264471
1083065564
114298542a
122399a424
131429482a
14b0639c8
15745c044
hex4f37adc

83065564 has 6 divisors (see below), whose sum is σ = 145364744. Its totient is φ = 41532780.

The previous prime is 83065561. The next prime is 83065571. The reversal of 83065564 is 46556038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83065561) 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 as a sum of consecutive naturals, namely, 10383192 + ... + 10383199.

Almost surely, 283065564 is an apocalyptic number.

It is an amenable number.

83065564 is a deficient number, since it is larger than the sum of its proper divisors (62299180).

83065564 is a wasteful number, since it uses less digits than its factorization.

83065564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766395 (or 20766393 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 83065564 is about 9114.0311607982. The cubic root of 83065564 is about 436.3218942657.

The spelling of 83065564 in words is "eighty-three million, sixty-five thousand, five hundred sixty-four".

Divisors: 1 2 4 20766391 41532782 83065564