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4120817 = 172231087
BaseRepresentation
bin1111101110000011110001
321202100200212
433232003301
52023331232
6224153505
750012021
oct17560361
97670625
104120817
112365038
121468895
13b1386c
14793a81
15565eb2
hex3ee0f1

4120817 has 8 divisors (see below), whose sum is σ = 4386816. Its totient is φ = 3857472.

The previous prime is 4120807. The next prime is 4120829. The reversal of 4120817 is 7180214.

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 4120817 - 216 = 4055281 is a prime.

It is a super-2 number, since 2×41208172 = 33962265494978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4120792 and 4120801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248 + ... + 4334.

It is an arithmetic number, because the mean of its divisors is an integer number (548352).

Almost surely, 24120817 is an apocalyptic number.

It is an amenable number.

4120817 is a deficient number, since it is larger than the sum of its proper divisors (265999).

4120817 is a wasteful number, since it uses less digits than its factorization.

4120817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 4120817 is about 2029.9795565473. The cubic root of 4120817 is about 160.3224875951.

The spelling of 4120817 in words is "four million, one hundred twenty thousand, eight hundred seventeen".

Divisors: 1 17 223 1087 3791 18479 242401 4120817