Search a number
-
+
486172728 = 23326752399
BaseRepresentation
bin11100111110100…
…110100000111000
31020212211010121100
4130332212200320
51443430011403
6120124211400
715022254126
oct3476464070
91225733540
10486172728
1122a482848
12116999b60
1379953492
14487d6916
152ca362a3
hex1cfa6838

486172728 has 24 divisors (see below), whose sum is σ = 1316718000. Its totient is φ = 162057552.

The previous prime is 486172727. The next prime is 486172751. The reversal of 486172728 is 827271684.

486172728 is a `hidden beast` number, since 4 + 8 + 617 + 2 + 7 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486172723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3376128 + ... + 3376271.

It is an arithmetic number, because the mean of its divisors is an integer number (54863250).

Almost surely, 2486172728 is an apocalyptic number.

It is an amenable number.

486172728 is an abundant number, since it is smaller than the sum of its proper divisors (830545272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

486172728 is a wasteful number, since it uses less digits than its factorization.

486172728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6752411 (or 6752404 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 486172728 is about 22049.3248876241. The cubic root of 486172728 is about 786.3155503207.

The spelling of 486172728 in words is "four hundred eighty-six million, one hundred seventy-two thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 6752399 13504798 20257197 27009596 40514394 54019192 60771591 81028788 121543182 162057576 243086364 486172728