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4807213 = 21122783
BaseRepresentation
bin10010010101101000101101
3100001020020221
4102111220231
52212312323
6251011341
755601125
oct22255055
910036227
104807213
112793804
121739b51
13cc4108
148d1c85
1564e55d
hex495a2d

4807213 has 4 divisors (see below), whose sum is σ = 4830208. Its totient is φ = 4784220.

The previous prime is 4807199. The next prime is 4807217. The reversal of 4807213 is 3127084.

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 4807213 - 25 = 4807181 is a prime.

It is a super-3 number, since 3×48072133 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4807217) 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 3 ways as a sum of consecutive naturals, for example, 11181 + ... + 11602.

It is an arithmetic number, because the mean of its divisors is an integer number (1207552).

Almost surely, 24807213 is an apocalyptic number.

It is an amenable number.

4807213 is a deficient number, since it is larger than the sum of its proper divisors (22995).

4807213 is a wasteful number, since it uses less digits than its factorization.

4807213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22994.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4807213 is about 2192.5357465729. The cubic root of 4807213 is about 168.7709863246.

The spelling of 4807213 in words is "four million, eight hundred seven thousand, two hundred thirteen".

Divisors: 1 211 22783 4807213