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84846745 = 517998197
BaseRepresentation
bin1010000111010…
…10100010011001
312220122122212001
411003222202121
5133210043440
612230321001
72050120414
oct503524231
9186578761
1084846745
1143991685
12244b9161
1314769499
14b3a8b7b
1576aeb9a
hex50ea899

84846745 has 8 divisors (see below), whose sum is σ = 107805384. Its totient is φ = 63884544.

The previous prime is 84846743. The next prime is 84846757. The reversal of 84846745 is 54764848.

It can be written as a sum of positive squares in 4 ways, for example, as 47734281 + 37112464 = 6909^2 + 6092^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 84846745 - 21 = 84846743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84846695 and 84846704.

It is not an unprimeable number, because it can be changed into a prime (84846743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499014 + ... + 499183.

It is an arithmetic number, because the mean of its divisors is an integer number (13475673).

Almost surely, 284846745 is an apocalyptic number.

84846745 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84846745 is a deficient number, since it is larger than the sum of its proper divisors (22958639).

84846745 is a wasteful number, since it uses less digits than its factorization.

84846745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998219.

The product of its digits is 860160, while the sum is 46.

The square root of 84846745 is about 9211.2292882112. The cubic root of 84846745 is about 439.4185587793.

The spelling of 84846745 in words is "eighty-four million, eight hundred forty-six thousand, seven hundred forty-five".

Divisors: 1 5 17 85 998197 4990985 16969349 84846745