Search a number
-
+
5745309 = 31915103
BaseRepresentation
bin10101111010101010011101
3101210220002020
4111322222131
52432322214
6323050353
766556113
oct25725235
911726066
105745309
113274599
121b109b9
1312620bb
14a97ab3
157874a9
hex57aa9d

5745309 has 4 divisors (see below), whose sum is σ = 7660416. Its totient is φ = 3830204.

The previous prime is 5745307. The next prime is 5745347. The reversal of 5745309 is 9035475.

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 5745309 - 21 = 5745307 is a prime.

It is a super-3 number, since 3×57453093 (a number of 21 digits) contains 333 as substring.

It is a D-number.

5745309 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5745309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5745307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957549 + ... + 957554.

It is an arithmetic number, because the mean of its divisors is an integer number (1915104).

Almost surely, 25745309 is an apocalyptic number.

It is an amenable number.

5745309 is a deficient number, since it is larger than the sum of its proper divisors (1915107).

5745309 is a wasteful number, since it uses less digits than its factorization.

5745309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915106.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 5745309 is about 2396.9374209603. The cubic root of 5745309 is about 179.1036612306.

The spelling of 5745309 in words is "five million, seven hundred forty-five thousand, three hundred nine".

Divisors: 1 3 1915103 5745309