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49058869 is a prime number
BaseRepresentation
bin1011101100100…
…1010000110101
310102022110010011
42323021100311
5100024340434
64511300221
71133664526
oct273112065
9112273104
1049058869
1125768722
121451a671
13a218c22
14673084d
154490e64
hex2ec9435

49058869 has 2 divisors, whose sum is σ = 49058870. Its totient is φ = 49058868.

The previous prime is 49058861. The next prime is 49058879. The reversal of 49058869 is 96885094.

It is a happy number.

49058869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46991025 + 2067844 = 6855^2 + 1438^2 .

It is a cyclic number.

It is not a de Polignac number, because 49058869 - 23 = 49058861 is a prime.

It is a super-2 number, since 2×490588692 = 4813545255118322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49058861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24529434 + 24529435.

It is an arithmetic number, because the mean of its divisors is an integer number (24529435).

Almost surely, 249058869 is an apocalyptic number.

It is an amenable number.

49058869 is a deficient number, since it is larger than the sum of its proper divisors (1).

49058869 is an equidigital number, since it uses as much as digits as its factorization.

49058869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 49.

The square root of 49058869 is about 7004.2036663706. The cubic root of 49058869 is about 366.0770563468.

It can be divided in two parts, 490 and 58869, that multiplied together give a triangular number (28845810 = T7595).

The spelling of 49058869 in words is "forty-nine million, fifty-eight thousand, eight hundred sixty-nine".