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4120285 = 51363389
BaseRepresentation
bin1111101101111011011101
321202022222011
433231323131
52023322120
6224151221
750010331
oct17557335
97668864
104120285
1123646a4
121468511
13b13550
147937c1
15565c5a
hex3ededd

4120285 has 8 divisors (see below), whose sum is σ = 5324760. Its totient is φ = 3042624.

The previous prime is 4120279. The next prime is 4120301. The reversal of 4120285 is 5820214.

It can be written as a sum of positive squares in 4 ways, for example, as 329476 + 3790809 = 574^2 + 1947^2 .

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

It is not a de Polignac number, because 4120285 - 25 = 4120253 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 31630 + ... + 31759.

It is an arithmetic number, because the mean of its divisors is an integer number (665595).

Almost surely, 24120285 is an apocalyptic number.

It is an amenable number.

4120285 is a deficient number, since it is larger than the sum of its proper divisors (1204475).

4120285 is a wasteful number, since it uses less digits than its factorization.

4120285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63407.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4120285 is about 2029.8485165155. The cubic root of 4120285 is about 160.3155880544.

Adding to 4120285 its reverse (5820214), we get a palindrome (9940499).

The spelling of 4120285 in words is "four million, one hundred twenty thousand, two hundred eighty-five".

Divisors: 1 5 13 65 63389 316945 824057 4120285