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49341821 is a prime number
BaseRepresentation
bin1011110000111…
…0010101111101
310102211211020212
42330032111331
5100112414241
64521322205
71136253464
oct274162575
9112754225
1049341821
1125941271
1214636365
13a2b7959
1467a59db
1544e9beb
hex2f0e57d

49341821 has 2 divisors, whose sum is σ = 49341822. Its totient is φ = 49341820.

The previous prime is 49341779. The next prime is 49341881. The reversal of 49341821 is 12814394.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44368921 + 4972900 = 6661^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 49341821 - 222 = 45147517 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49341881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24670910 + 24670911.

It is an arithmetic number, because the mean of its divisors is an integer number (24670911).

Almost surely, 249341821 is an apocalyptic number.

It is an amenable number.

49341821 is a deficient number, since it is larger than the sum of its proper divisors (1).

49341821 is an equidigital number, since it uses as much as digits as its factorization.

49341821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 49341821 is about 7024.3733528337. The cubic root of 49341821 is about 366.7795031055.

The spelling of 49341821 in words is "forty-nine million, three hundred forty-one thousand, eight hundred twenty-one".