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4976909 = 7710987
BaseRepresentation
bin10010111111000100001101
3100100212000222
4102333010031
52233230114
6254401125
760205640
oct22770415
910325028
104976909
11289a253
1218001a5
131053422
14937a57
1568498e
hex4bf10d

4976909 has 4 divisors (see below), whose sum is σ = 5687904. Its totient is φ = 4265916.

The previous prime is 4976899. The next prime is 4976911. The reversal of 4976909 is 9096794.

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 4976909 - 216 = 4911373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4976909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4976999) 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, 355487 + ... + 355500.

It is an arithmetic number, because the mean of its divisors is an integer number (1421976).

Almost surely, 24976909 is an apocalyptic number.

It is an amenable number.

4976909 is a deficient number, since it is larger than the sum of its proper divisors (710995).

4976909 is an equidigital number, since it uses as much as digits as its factorization.

4976909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710994.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 4976909 is about 2230.8986978346. The cubic root of 4976909 is about 170.7339547056.

Subtracting 4976909 from its reverse (9096794), we obtain a triangular number (4119885 = T2870).

It can be divided in two parts, 4976 and 909, that added together give a palindrome (5885).

The spelling of 4976909 in words is "four million, nine hundred seventy-six thousand, nine hundred nine".

Divisors: 1 7 710987 4976909