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492388 = 221317557
BaseRepresentation
bin1111000001101100100
3221000102121
41320031210
5111224023
614315324
74120351
oct1701544
9830377
10492388
11306a36
121b8b44
13143170
14cb628
159ad5d
hex78364

492388 has 24 divisors (see below), whose sum is σ = 984312. Its totient is φ = 213504.

The previous prime is 492377. The next prime is 492389. The reversal of 492388 is 883294.

492388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5184 + 487204 = 72^2 + 698^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (492389) by changing a digit.

492388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 606 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (41013).

2492388 is an apocalyptic number.

It is an amenable number.

492388 is a deficient number, since it is larger than the sum of its proper divisors (491924).

492388 is a wasteful number, since it uses less digits than its factorization.

492388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 589 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 492388 is about 701.7036411477. The cubic root of 492388 is about 78.9652146166.

The spelling of 492388 in words is "four hundred ninety-two thousand, three hundred eighty-eight".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 557 884 1114 2228 7241 9469 14482 18938 28964 37876 123097 246194 492388