Search a number
-
+
4749971 = 71149449
BaseRepresentation
bin10010000111101010010011
322221022201212
4102013222103
52203444341
6245450335
755242212
oct22075223
98838655
104749971
1127547a6
1217109ab
13ca4045
148b9079
1563c5eb
hex487a93

4749971 has 8 divisors (see below), whose sum is σ = 4860000. Its totient is φ = 4641280.

The previous prime is 4749967. The next prime is 4749989. The reversal of 4749971 is 1799474.

It is a happy number.

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 4749971 - 22 = 4749967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4749911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10355 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (607500).

Almost surely, 24749971 is an apocalyptic number.

4749971 is a deficient number, since it is larger than the sum of its proper divisors (110029).

4749971 is a wasteful number, since it uses less digits than its factorization.

4749971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669.

The product of its digits is 63504, while the sum is 41.

The square root of 4749971 is about 2179.4428187039. The cubic root of 4749971 is about 168.0984282435.

The spelling of 4749971 in words is "four million, seven hundred forty-nine thousand, nine hundred seventy-one".

Divisors: 1 71 149 449 10579 31879 66901 4749971