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9141349 = 71305907
BaseRepresentation
bin100010110111…
…110001100101
3122012102120111
4202313301211
54320010344
6523533021
7140462110
oct42676145
918172514
109141349
115184038
12308a171
131b80aa9
1412dd577
15c08834
hex8b7c65

9141349 has 4 divisors (see below), whose sum is σ = 10447264. Its totient is φ = 7835436.

The previous prime is 9141343. The next prime is 9141367. The reversal of 9141349 is 9431419.

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: 9431419 = 89105971.

It is not a de Polignac number, because 9141349 - 25 = 9141317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9141349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9141343) 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, 652947 + ... + 652960.

It is an arithmetic number, because the mean of its divisors is an integer number (2611816).

Almost surely, 29141349 is an apocalyptic number.

It is an amenable number.

9141349 is a deficient number, since it is larger than the sum of its proper divisors (1305915).

9141349 is a wasteful number, since it uses less digits than its factorization.

9141349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305914.

The product of its digits is 3888, while the sum is 31.

The square root of 9141349 is about 3023.4663881049. The cubic root of 9141349 is about 209.0916853898.

The spelling of 9141349 in words is "nine million, one hundred forty-one thousand, three hundred forty-nine".

Divisors: 1 7 1305907 9141349