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4979913 = 31659971
BaseRepresentation
bin10010111111110011001001
3100101000011020
4102333303021
52233324123
6254423053
760220461
oct22776311
910330136
104979913
1128a1534
121801a89
1310548c3
14938ba1
156857e3
hex4bfcc9

4979913 has 4 divisors (see below), whose sum is σ = 6639888. Its totient is φ = 3319940.

The previous prime is 4979911. The next prime is 4979921. The reversal of 4979913 is 3199794.

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 4979913 - 21 = 4979911 is a prime.

It is a D-number.

It is a Curzon number.

4979913 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4979911) 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, 829983 + ... + 829988.

It is an arithmetic number, because the mean of its divisors is an integer number (1659972).

Almost surely, 24979913 is an apocalyptic number.

It is an amenable number.

4979913 is a deficient number, since it is larger than the sum of its proper divisors (1659975).

4979913 is a wasteful number, since it uses less digits than its factorization.

4979913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659974.

The product of its digits is 61236, while the sum is 42.

The square root of 4979913 is about 2231.5718675409. The cubic root of 4979913 is about 170.7682987563.

The spelling of 4979913 in words is "four million, nine hundred seventy-nine thousand, nine hundred thirteen".

Divisors: 1 3 1659971 4979913