Search a number
-
+
1493071 is a prime number
BaseRepresentation
bin101101100100001001111
32210212002221
411230201033
5340234241
652000211
715455656
oct5544117
92725087
101493071
1192a848
12600067
13403798
142ac19d
151e75d1
hex16c84f

1493071 has 2 divisors, whose sum is σ = 1493072. Its totient is φ = 1493070.

The previous prime is 1493057. The next prime is 1493099. The reversal of 1493071 is 1703941.

It is a weak prime.

It is an emirp because it is prime and its reverse (1703941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1493071 - 27 = 1492943 is a prime.

It is a super-2 number, since 2×14930712 = 4458522022082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746535 + 746536.

It is an arithmetic number, because the mean of its divisors is an integer number (746536).

21493071 is an apocalyptic number.

1493071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493071 is an equidigital number, since it uses as much as digits as its factorization.

1493071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1493071 is about 1221.9128446825. The cubic root of 1493071 is about 114.2948915993.

The spelling of 1493071 in words is "one million, four hundred ninety-three thousand, seventy-one".