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82445078 = 243993901
BaseRepresentation
bin1001110101000…
…00001100010110
312202010122101102
410322200030112
5132101220303
612103030102
72020525442
oct472401426
9182118342
1082445078
11425a1231
122373b332
1314108291
14ad41822
157388288
hex4ea0316

82445078 has 8 divisors (see below), whose sum is σ = 123950640. Its totient is φ = 41128200.

The previous prime is 82445071. The next prime is 82445081. The reversal of 82445078 is 87054428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82445071) 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 3 ways as a sum of consecutive naturals, for example, 46073 + ... + 47828.

It is an arithmetic number, because the mean of its divisors is an integer number (15493830).

Almost surely, 282445078 is an apocalyptic number.

82445078 is a deficient number, since it is larger than the sum of its proper divisors (41505562).

82445078 is a wasteful number, since it uses less digits than its factorization.

82445078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94342.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 82445078 is about 9079.9272023513. The cubic root of 82445078 is about 435.2327604454.

The spelling of 82445078 in words is "eighty-two million, four hundred forty-five thousand, seventy-eight".

Divisors: 1 2 439 878 93901 187802 41222539 82445078