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49772101 is a prime number
BaseRepresentation
bin1011110111011…
…1011001000101
310110122200111011
42331313121011
5100220201401
64534442221
71143025111
oct275673105
9113580434
1049772101
1126105575
1214803371
13a408762
146878741
154582451
hex2f77645

49772101 has 2 divisors, whose sum is σ = 49772102. Its totient is φ = 49772100.

The previous prime is 49772087. The next prime is 49772111. The reversal of 49772101 is 10127794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 2643876 = 6865^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 49772101 - 27 = 49771973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49772111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24886050 + 24886051.

It is an arithmetic number, because the mean of its divisors is an integer number (24886051).

Almost surely, 249772101 is an apocalyptic number.

It is an amenable number.

49772101 is a deficient number, since it is larger than the sum of its proper divisors (1).

49772101 is an equidigital number, since it uses as much as digits as its factorization.

49772101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 49772101 is about 7054.9345142248. The cubic root of 49772101 is about 367.8425725697.

Adding to 49772101 its reverse (10127794), we get a palindrome (59899895).

The spelling of 49772101 in words is "forty-nine million, seven hundred seventy-two thousand, one hundred one".