Search a number
-
+
4749145 = 51949991
BaseRepresentation
bin10010000111011101011001
322221021121021
4102013131121
52203433040
6245442441
755236622
oct22073531
98837537
104749145
112754115
121710421
13ca385b
148b8a49
1563c24a
hex487759

4749145 has 8 divisors (see below), whose sum is σ = 5999040. Its totient is φ = 3599280.

The previous prime is 4749139. The next prime is 4749179. The reversal of 4749145 is 5419474.

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

It is not a de Polignac number, because 4749145 - 29 = 4748633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4749145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24901 + ... + 25090.

It is an arithmetic number, because the mean of its divisors is an integer number (749880).

Almost surely, 24749145 is an apocalyptic number.

It is an amenable number.

4749145 is a deficient number, since it is larger than the sum of its proper divisors (1249895).

4749145 is a wasteful number, since it uses less digits than its factorization.

4749145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50015.

The product of its digits is 20160, while the sum is 34.

The square root of 4749145 is about 2179.2533124903. The cubic root of 4749145 is about 168.0886838085.

The spelling of 4749145 in words is "four million, seven hundred forty-nine thousand, one hundred forty-five".

Divisors: 1 5 19 95 49991 249955 949829 4749145