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84945085 = 590718731
BaseRepresentation
bin1010001000000…
…10100010111101
312220211122202021
411010002202331
5133221220320
612232400141
72051010211
oct504024275
9186748667
1084945085
1143a49555
1224546051
13147a2184
14b3d2941
1576cddaa
hex51028bd

84945085 has 8 divisors (see below), whose sum is σ = 102051936. Its totient is φ = 67877520.

The previous prime is 84945059. The next prime is 84945101. The reversal of 84945085 is 58054948.

It is a happy number.

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

It is not a de Polignac number, because 84945085 - 217 = 84814013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4831 + ... + 13900.

It is an arithmetic number, because the mean of its divisors is an integer number (12756492).

Almost surely, 284945085 is an apocalyptic number.

It is an amenable number.

84945085 is a deficient number, since it is larger than the sum of its proper divisors (17106851).

84945085 is a wasteful number, since it uses less digits than its factorization.

84945085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19643.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 84945085 is about 9216.5657920941. The cubic root of 84945085 is about 439.5882597972.

The spelling of 84945085 in words is "eighty-four million, nine hundred forty-five thousand, eighty-five".

Divisors: 1 5 907 4535 18731 93655 16989017 84945085