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84930745 = 5149114001
BaseRepresentation
bin1010000111111…
…11000010111001
312220210221002011
411003333002321
5133220240440
612232205521
72050620334
oct503770271
9186727064
1084930745
1143a397a9
12245398a1
13147987a3
14b3cb61b
1576c99ea
hex50ff0b9

84930745 has 8 divisors (see below), whose sum is σ = 102601800. Its totient is φ = 67488000.

The previous prime is 84930737. The next prime is 84930757. The reversal of 84930745 is 54703948.

It can be written as a sum of positive squares in 4 ways, for example, as 3732624 + 81198121 = 1932^2 + 9011^2 .

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

It is not a de Polignac number, because 84930745 - 23 = 84930737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84930698 and 84930707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56256 + ... + 57745.

It is an arithmetic number, because the mean of its divisors is an integer number (12825225).

Almost surely, 284930745 is an apocalyptic number.

It is an amenable number.

84930745 is a deficient number, since it is larger than the sum of its proper divisors (17671055).

84930745 is a wasteful number, since it uses less digits than its factorization.

84930745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114155.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 84930745 is about 9215.7878122274. The cubic root of 84930745 is about 439.5635220489.

The spelling of 84930745 in words is "eighty-four million, nine hundred thirty thousand, seven hundred forty-five".

Divisors: 1 5 149 745 114001 570005 16986149 84930745