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49091401 is a prime number
BaseRepresentation
bin1011101101000…
…1001101001001
310102101002202001
42323101031021
5100031411101
64512111001
71134161422
oct273211511
9112332661
1049091401
1125790107
1214535461
13a22a988
14673c649
15449a901
hex2ed1349

49091401 has 2 divisors, whose sum is σ = 49091402. Its totient is φ = 49091400.

The previous prime is 49091389. The next prime is 49091431. The reversal of 49091401 is 10419094.

49091401 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., 39388176 + 9703225 = 6276^2 + 3115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49091401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49091401.

It is not a weakly prime, because it can be changed into another prime (49091431) 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, 24545700 + 24545701.

It is an arithmetic number, because the mean of its divisors is an integer number (24545701).

Almost surely, 249091401 is an apocalyptic number.

It is an amenable number.

49091401 is a deficient number, since it is larger than the sum of its proper divisors (1).

49091401 is an equidigital number, since it uses as much as digits as its factorization.

49091401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 49091401 is about 7006.5256011807. The cubic root of 49091401 is about 366.1579563457.

The spelling of 49091401 in words is "forty-nine million, ninety-one thousand, four hundred one".