Search a number
-
+
1493285 = 51012957
BaseRepresentation
bin101101100100100100101
32210212101212
411230210211
5340241120
652001205
715456413
oct5544445
92725355
101493285
1192aa22
12600205
13403901
142ac2b3
151e76c5
hex16c925

1493285 has 8 divisors (see below), whose sum is σ = 1810296. Its totient is φ = 1182400.

The previous prime is 1493281. The next prime is 1493291. The reversal of 1493285 is 5823941.

It is a Cunningham number, because it is equal to 12222+1.

It can be written as a sum of positive squares in 4 ways, for example, as 276676 + 1216609 = 526^2 + 1103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1493285 - 22 = 1493281 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1493281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974 + ... + 1983.

It is an arithmetic number, because the mean of its divisors is an integer number (226287).

21493285 is an apocalyptic number.

It is an amenable number.

1493285 is a deficient number, since it is larger than the sum of its proper divisors (317011).

1493285 is a wasteful number, since it uses less digits than its factorization.

1493285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063.

The product of its digits is 8640, while the sum is 32.

The square root of 1493285 is about 1222.0004091652. Note that the first 3 decimals coincide. The cubic root of 1493285 is about 114.3003519198.

The spelling of 1493285 in words is "one million, four hundred ninety-three thousand, two hundred eighty-five".

Divisors: 1 5 101 505 2957 14785 298657 1493285