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49726969 is a prime number
BaseRepresentation
bin1011110110110…
…0010111111001
310110120101120121
42331230113321
5100212230334
64533453241
71142446405
oct275542771
9113511517
1049726969
1126084676
12147a1221
13a3c1056
146866105
154573db4
hex2f6c5f9

49726969 has 2 divisors, whose sum is σ = 49726970. Its totient is φ = 49726968.

The previous prime is 49726961. The next prime is 49726979. The reversal of 49726969 is 96962794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43401744 + 6325225 = 6588^2 + 2515^2 .

It is a cyclic number.

It is not a de Polignac number, because 49726969 - 23 = 49726961 is a prime.

It is a super-2 number, since 2×497269692 = 4945542891853922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49726961) 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, 24863484 + 24863485.

It is an arithmetic number, because the mean of its divisors is an integer number (24863485).

Almost surely, 249726969 is an apocalyptic number.

It is an amenable number.

49726969 is a deficient number, since it is larger than the sum of its proper divisors (1).

49726969 is an equidigital number, since it uses as much as digits as its factorization.

49726969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 49726969 is about 7051.7351765363. The cubic root of 49726969 is about 367.7313557025.

The spelling of 49726969 in words is "forty-nine million, seven hundred twenty-six thousand, nine hundred sixty-nine".