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492449 = 2916981
BaseRepresentation
bin1111000001110100001
3221000111212
41320032201
5111224244
614315505
74120466
oct1701641
9830455
10492449
11306a91
121b8b95
131431b9
14cb66d
159ad9e
hex783a1

492449 has 4 divisors (see below), whose sum is σ = 509460. Its totient is φ = 475440.

The previous prime is 492431. The next prime is 492463. The reversal of 492449 is 944294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 399424 + 93025 = 632^2 + 305^2 .

It is a cyclic number.

It is not a de Polignac number, because 492449 - 212 = 488353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8462 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (127365).

2492449 is an apocalyptic number.

It is an amenable number.

492449 is a deficient number, since it is larger than the sum of its proper divisors (17011).

492449 is a wasteful number, since it uses less digits than its factorization.

492449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17010.

The product of its digits is 10368, while the sum is 32.

The square root of 492449 is about 701.7471054447. The cubic root of 492449 is about 78.9684753779.

The spelling of 492449 in words is "four hundred ninety-two thousand, four hundred forty-nine".

Divisors: 1 29 16981 492449