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4971793 = 21123563
BaseRepresentation
bin10010111101110100010001
3100100121000111
4102331310101
52233044133
6254321321
760155011
oct22756421
910317014
104971793
112896422
1217b9241
131050cb8
14935c41
156831cd
hex4bdd11

4971793 has 4 divisors (see below), whose sum is σ = 4995568. Its totient is φ = 4948020.

The previous prime is 4971781. The next prime is 4971797. The reversal of 4971793 is 3971794.

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: 3971794 = 21985897.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4971793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4971797) 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, 11571 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (1248892).

Almost surely, 24971793 is an apocalyptic number.

It is an amenable number.

4971793 is a deficient number, since it is larger than the sum of its proper divisors (23775).

4971793 is a wasteful number, since it uses less digits than its factorization.

4971793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23774.

The product of its digits is 47628, while the sum is 40.

The square root of 4971793 is about 2229.7517799074. The cubic root of 4971793 is about 170.6754328146.

Subtracting from 4971793 its reverse (3971794), we obtain a palindrome (999999).

The spelling of 4971793 in words is "four million, nine hundred seventy-one thousand, seven hundred ninety-three".

Divisors: 1 211 23563 4971793