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3198985 = 54314879
BaseRepresentation
bin1100001101000000001001
320000112011221
430031000021
51304331420
6152322041
736122326
oct14150011
96015157
103198985
111895499
1210a3321
138800ba
145d3b4d
15432caa
hex30d009

3198985 has 8 divisors (see below), whose sum is σ = 3928320. Its totient is φ = 2499504.

The previous prime is 3198977. The next prime is 3198991. The reversal of 3198985 is 5898913.

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

It is not a de Polignac number, because 3198985 - 23 = 3198977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7225 + ... + 7654.

It is an arithmetic number, because the mean of its divisors is an integer number (491040).

Almost surely, 23198985 is an apocalyptic number.

It is an amenable number.

3198985 is a deficient number, since it is larger than the sum of its proper divisors (729335).

3198985 is a wasteful number, since it uses less digits than its factorization.

3198985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14927.

The product of its digits is 77760, while the sum is 43.

The square root of 3198985 is about 1788.5706583750. The cubic root of 3198985 is about 147.3456779148.

The spelling of 3198985 in words is "three million, one hundred ninety-eight thousand, nine hundred eighty-five".

Divisors: 1 5 43 215 14879 74395 639797 3198985