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4939213 is a prime number
BaseRepresentation
bin10010110101110111001101
3100021221022211
4102311313031
52231023323
6253510421
756661016
oct22656715
910257284
104939213
1128739a4
1217a2411
13103c216
1492800d
1567870d
hex4b5dcd

4939213 has 2 divisors, whose sum is σ = 4939214. Its totient is φ = 4939212.

The previous prime is 4939211. The next prime is 4939223. The reversal of 4939213 is 3129394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3396649 + 1542564 = 1843^2 + 1242^2 .

It is a cyclic number.

It is not a de Polignac number, because 4939213 - 21 = 4939211 is a prime.

Together with 4939211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4939211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469606 + 2469607.

It is an arithmetic number, because the mean of its divisors is an integer number (2469607).

Almost surely, 24939213 is an apocalyptic number.

It is an amenable number.

4939213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939213 is an equidigital number, since it uses as much as digits as its factorization.

4939213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 4939213 is about 2222.4340260174. The cubic root of 4939213 is about 170.3018052875.

The spelling of 4939213 in words is "four million, nine hundred thirty-nine thousand, two hundred thirteen".