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49431061 is a prime number
BaseRepresentation
bin1011110010010…
…0001000010101
310110000100200001
42330210020111
5100123243221
64523251301
71140104611
oct274441025
9113010601
1049431061
11259a2319
1214679b31
13a319464
1467ca341
154516391
hex2f24215

49431061 has 2 divisors, whose sum is σ = 49431062. Its totient is φ = 49431060.

The previous prime is 49431049. The next prime is 49431073. The reversal of 49431061 is 16013494.

It is a balanced prime because it is at equal distance from previous prime (49431049) and next prime (49431073).

It can be written as a sum of positive squares in only one way, i.e., 36072036 + 13359025 = 6006^2 + 3655^2 .

It is a cyclic number.

It is not a de Polignac number, because 49431061 - 213 = 49422869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49437061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24715530 + 24715531.

It is an arithmetic number, because the mean of its divisors is an integer number (24715531).

Almost surely, 249431061 is an apocalyptic number.

It is an amenable number.

49431061 is a deficient number, since it is larger than the sum of its proper divisors (1).

49431061 is an equidigital number, since it uses as much as digits as its factorization.

49431061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 49431061 is about 7030.7226513354. The cubic root of 49431061 is about 367.0004900171. Note that the first 3 decimals are identical.

The spelling of 49431061 in words is "forty-nine million, four hundred thirty-one thousand, sixty-one".