Search a number
-
+
3200985 = 335131181
BaseRepresentation
bin1100001101011111011001
320000121221000
430031133121
51304412420
6152335213
736131214
oct14153731
96017830
103200985
111896a47
1210a4509
13880c98
145d477b
15433690
hex30d7d9

3200985 has 32 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 1684800.

The previous prime is 3200983. The next prime is 3200999. The reversal of 3200985 is 5890023.

It is not a de Polignac number, because 3200985 - 21 = 3200983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3200983) 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 31 ways as a sum of consecutive naturals, for example, 17595 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

Almost surely, 23200985 is an apocalyptic number.

It is an amenable number.

3200985 is a deficient number, since it is larger than the sum of its proper divisors (2564775).

3200985 is a wasteful number, since it uses less digits than its factorization.

3200985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 3200985 is about 1789.1296766864. The cubic root of 3200985 is about 147.3763782738.

The spelling of 3200985 in words is "three million, two hundred thousand, nine hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 131 135 181 393 543 655 905 1179 1629 1965 2715 3537 4887 5895 8145 17685 23711 24435 71133 118555 213399 355665 640197 1066995 3200985