Search a number
-
+
742293 = 32671231
BaseRepresentation
bin10110101001110010101
31101201020100
42311032111
5142223133
623524313
76211056
oct2651625
91351210
10742293
11467772
122b9699
131ccb36
1415472d
15e9e13
hexb5395

742293 has 12 divisors (see below), whose sum is σ = 1089088. Its totient is φ = 487080.

The previous prime is 742289. The next prime is 742307. The reversal of 742293 is 392247.

It is not a de Polignac number, because 742293 - 22 = 742289 is a prime.

It is a d-powerful number, because it can be written as 75 + 47 + 2 + 29 + 96 + 311 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742213) 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 in 11 ways as a sum of consecutive naturals, for example, 13 + ... + 1218.

2742293 is an apocalyptic number.

It is an amenable number.

742293 is a deficient number, since it is larger than the sum of its proper divisors (346795).

742293 is a wasteful number, since it uses less digits than its factorization.

742293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304 (or 1301 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 742293 is about 861.5642750254. The cubic root of 742293 is about 90.5437453215.

It can be divided in two parts, 742 and 293, that added together give a triangular number (1035 = T45).

The spelling of 742293 in words is "seven hundred forty-two thousand, two hundred ninety-three".

Divisors: 1 3 9 67 201 603 1231 3693 11079 82477 247431 742293