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1493005 = 5298601
BaseRepresentation
bin101101100100000001101
32210212000111
411230200031
5340234010
652000021
715455533
oct5544015
92725014
101493005
1192a798
12600011
13403747
142ac153
151e758a
hex16c80d

1493005 has 4 divisors (see below), whose sum is σ = 1791612. Its totient is φ = 1194400.

The previous prime is 1492993. The next prime is 1493027. The reversal of 1493005 is 5003941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5003941 = 7276883.

It can be written as a sum of positive squares in 2 ways, for example, as 797449 + 695556 = 893^2 + 834^2 .

It is a de Polignac number, because none of the positive numbers 2k-1493005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149296 + ... + 149305.

It is an arithmetic number, because the mean of its divisors is an integer number (447903).

21493005 is an apocalyptic number.

It is an amenable number.

1493005 is a deficient number, since it is larger than the sum of its proper divisors (298607).

1493005 is an equidigital number, since it uses as much as digits as its factorization.

1493005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298606.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1493005 is about 1221.8858375478. The cubic root of 1493005 is about 114.2932074700.

Adding to 1493005 its reverse (5003941), we get a palindrome (6496946).

The spelling of 1493005 in words is "one million, four hundred ninety-three thousand, five".

Divisors: 1 5 298601 1493005