Search a number
-
+
742353 = 3247451
BaseRepresentation
bin10110101001111010001
31101201022120
42311033101
5142223403
623524453
76211203
oct2651721
91351276
10742353
11467817
122b9729
131ccb81
14154773
15e9e53
hexb53d1

742353 has 4 divisors (see below), whose sum is σ = 989808. Its totient is φ = 494900.

The previous prime is 742351. The next prime is 742369. The reversal of 742353 is 353247.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 742353 - 21 = 742351 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (742351) 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 3 ways as a sum of consecutive naturals, for example, 123723 + ... + 123728.

It is an arithmetic number, because the mean of its divisors is an integer number (247452).

2742353 is an apocalyptic number.

It is an amenable number.

742353 is a deficient number, since it is larger than the sum of its proper divisors (247455).

742353 is a wasteful number, since it uses less digits than its factorization.

742353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247454.

The product of its digits is 2520, while the sum is 24.

The square root of 742353 is about 861.5990947070. The cubic root of 742353 is about 90.5461848247.

The spelling of 742353 in words is "seven hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 3 247451 742353