Search a number
-
+
444193 = 1722953
BaseRepresentation
bin1101100011100100001
3211120022121
41230130201
5103203233
613304241
73530011
oct1543441
9746277
10444193
11283802
12195081
13127249
14b7c41
158b92d
hex6c721

444193 has 12 divisors (see below), whose sum is σ = 497340. Its totient is φ = 396032.

The previous prime is 444187. The next prime is 444209. The reversal of 444193 is 391444.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 74529 + 369664 = 273^2 + 608^2 .

It is a de Polignac number, because none of the positive numbers 2k-444193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8355 + ... + 8407.

It is an arithmetic number, because the mean of its divisors is an integer number (41445).

2444193 is an apocalyptic number.

It is an amenable number.

444193 is a deficient number, since it is larger than the sum of its proper divisors (53147).

444193 is a wasteful number, since it uses less digits than its factorization.

444193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 99 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 444193 is about 666.4780566530. The cubic root of 444193 is about 76.2998885202.

The spelling of 444193 in words is "four hundred forty-four thousand, one hundred ninety-three".

Divisors: 1 17 29 53 289 493 901 1537 8381 15317 26129 444193