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49825213 is a prime number
BaseRepresentation
bin1011111000010…
…0010110111101
310110202101100021
42332010112331
5100223401323
64535532141
71143336004
oct276042675
9113671307
1049825213
1126141469
121482a051
13a426999
14688dc3b
15459305d
hex2f845bd

49825213 has 2 divisors, whose sum is σ = 49825214. Its totient is φ = 49825212.

The previous prime is 49825189. The next prime is 49825229. The reversal of 49825213 is 31252894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32867289 + 16957924 = 5733^2 + 4118^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49825213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49826213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24912606 + 24912607.

It is an arithmetic number, because the mean of its divisors is an integer number (24912607).

Almost surely, 249825213 is an apocalyptic number.

It is an amenable number.

49825213 is a deficient number, since it is larger than the sum of its proper divisors (1).

49825213 is an equidigital number, since it uses as much as digits as its factorization.

49825213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The square root of 49825213 is about 7058.6976844174. The cubic root of 49825213 is about 367.9733681302.

The spelling of 49825213 in words is "forty-nine million, eight hundred twenty-five thousand, two hundred thirteen".