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4969813 is a prime number
BaseRepresentation
bin10010111101010101010101
3100100111022011
4102331111111
52233013223
6254304221
760146152
oct22752525
910314264
104969813
112894992
1217b8071
131050124
14935229
1568280d
hex4bd555

4969813 has 2 divisors, whose sum is σ = 4969814. Its totient is φ = 4969812.

The previous prime is 4969807. The next prime is 4969823. The reversal of 4969813 is 3189694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 734449 = 2058^2 + 857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4969813 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4969823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2484906 + 2484907.

It is an arithmetic number, because the mean of its divisors is an integer number (2484907).

Almost surely, 24969813 is an apocalyptic number.

It is an amenable number.

4969813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4969813 is an equidigital number, since it uses as much as digits as its factorization.

4969813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 4969813 is about 2229.3077400844. The cubic root of 4969813 is about 170.6527728320.

The spelling of 4969813 in words is "four million, nine hundred sixty-nine thousand, eight hundred thirteen".