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49638073 is a prime number
BaseRepresentation
bin1011110101011…
…0101010111001
310110101212122011
42331112222321
5100201404243
64531525521
71141626262
oct275265271
9113355564
1049638073
1126023901
12147598a1
13a38c754
146841969
15455789d
hex2f56ab9

49638073 has 2 divisors, whose sum is σ = 49638074. Its totient is φ = 49638072.

The previous prime is 49638041. The next prime is 49638091. The reversal of 49638073 is 37083694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 10036224 = 6293^2 + 3168^2 .

It is a cyclic number.

It is not a de Polignac number, because 49638073 - 25 = 49638041 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (49638023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24819036 + 24819037.

It is an arithmetic number, because the mean of its divisors is an integer number (24819037).

Almost surely, 249638073 is an apocalyptic number.

It is an amenable number.

49638073 is a deficient number, since it is larger than the sum of its proper divisors (1).

49638073 is an equidigital number, since it uses as much as digits as its factorization.

49638073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 49638073 is about 7045.4292275205. The cubic root of 49638073 is about 367.5120961049.

The spelling of 49638073 in words is "forty-nine million, six hundred thirty-eight thousand, seventy-three".