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492801 = 3164267
BaseRepresentation
bin1111000010100000001
3221000222220
41320110001
5111232201
614321253
74121511
oct1702401
9830886
10492801
11307281
121b9229
131433ca
14cb841
159b036
hex78501

492801 has 4 divisors (see below), whose sum is σ = 657072. Its totient is φ = 328532.

The previous prime is 492799. The next prime is 492839. The reversal of 492801 is 108294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 492801 - 21 = 492799 is a prime.

It is a D-number.

492801 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (492871) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 82131 + ... + 82136.

It is an arithmetic number, because the mean of its divisors is an integer number (164268).

2492801 is an apocalyptic number.

It is an amenable number.

492801 is a deficient number, since it is larger than the sum of its proper divisors (164271).

492801 is a wasteful number, since it uses less digits than its factorization.

492801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164270.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 492801 is about 701.9978632446. The cubic root of 492801 is about 78.9872863160.

It can be divided in two parts, 49 and 2801, that added together give a triangular number (2850 = T75).

The spelling of 492801 in words is "four hundred ninety-two thousand, eight hundred one".

Divisors: 1 3 164267 492801