Search a number
-
+
43742353 = 2910131489
BaseRepresentation
bin1010011011011…
…1010010010001
310001022100020011
42212313102101
542144223403
64201314521
71040542504
oct246672221
9101270204
1043742353
1122767306
1212795a41
1390a7065
145b4913b
153c90a6d
hex29b7491

43742353 has 8 divisors (see below), whose sum is σ = 45325800. Its totient is φ = 42163968.

The previous prime is 43742323. The next prime is 43742371. The reversal of 43742353 is 35324734.

43742353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 43138624 = 777^2 + 6568^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43742353 - 225 = 10187921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43742323) 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 7 ways as a sum of consecutive naturals, for example, 28633 + ... + 30121.

It is an arithmetic number, because the mean of its divisors is an integer number (5665725).

Almost surely, 243742353 is an apocalyptic number.

It is an amenable number.

43742353 is a deficient number, since it is larger than the sum of its proper divisors (1583447).

43742353 is a wasteful number, since it uses less digits than its factorization.

43742353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2531.

The product of its digits is 30240, while the sum is 31.

The square root of 43742353 is about 6613.8001935347. The cubic root of 43742353 is about 352.3444056190.

The spelling of 43742353 in words is "forty-three million, seven hundred forty-two thousand, three hundred fifty-three".

Divisors: 1 29 1013 1489 29377 43181 1508357 43742353