Search a number
-
+
741349 = 7105907
BaseRepresentation
bin10110100111111100101
31101122221101
42310333211
5142210344
623520101
76205240
oct2647745
91348841
10741349
11466a94
122b9031
131cc58b
14154257
15e99d4
hexb4fe5

741349 has 4 divisors (see below), whose sum is σ = 847264. Its totient is φ = 635436.

The previous prime is 741347. The next prime is 741373. The reversal of 741349 is 943147.

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, and also an emirpimes, since its reverse is a distinct semiprime: 943147 = 4432129.

It is a cyclic number.

It is not a de Polignac number, because 741349 - 21 = 741347 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52947 + ... + 52960.

It is an arithmetic number, because the mean of its divisors is an integer number (211816).

2741349 is an apocalyptic number.

It is an amenable number.

741349 is a deficient number, since it is larger than the sum of its proper divisors (105915).

741349 is a wasteful number, since it uses less digits than its factorization.

741349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105914.

The product of its digits is 3024, while the sum is 28.

The square root of 741349 is about 861.0162600091. The cubic root of 741349 is about 90.5053464888.

Subtracting from 741349 its sum of digits (28), we obtain a square (741321 = 8612).

The spelling of 741349 in words is "seven hundred forty-one thousand, three hundred forty-nine".

Divisors: 1 7 105907 741349