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49629149 is a prime number
BaseRepresentation
bin1011110101010…
…0011111011101
310110101102101122
42331110133131
5100201113044
64531420325
71141561253
oct275243735
9113342348
1049629149
1126018129
12147546a5
13a38867b
14683c5d3
154554dee
hex2f547dd

49629149 has 2 divisors, whose sum is σ = 49629150. Its totient is φ = 49629148.

The previous prime is 49629131. The next prime is 49629157. The reversal of 49629149 is 94192694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30880249 + 18748900 = 5557^2 + 4330^2 .

It is a cyclic number.

It is not a de Polignac number, because 49629149 - 224 = 32851933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49629169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24814574 + 24814575.

It is an arithmetic number, because the mean of its divisors is an integer number (24814575).

Almost surely, 249629149 is an apocalyptic number.

It is an amenable number.

49629149 is a deficient number, since it is larger than the sum of its proper divisors (1).

49629149 is an equidigital number, since it uses as much as digits as its factorization.

49629149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The square root of 49629149 is about 7044.7958806484. The cubic root of 49629149 is about 367.4900708441.

The spelling of 49629149 in words is "forty-nine million, six hundred twenty-nine thousand, one hundred forty-nine".