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49253161 is a prime number
BaseRepresentation
bin1011101111100…
…0101100101001
310102200022122011
42323320230221
5100102100121
64515355521
71135434136
oct273705451
9112608564
1049253161
11258906a1
12145b2ba1
13a2864a9
14678158d
1544cd7e1
hex2ef8b29

49253161 has 2 divisors, whose sum is σ = 49253162. Its totient is φ = 49253160.

The previous prime is 49253159. The next prime is 49253167. The reversal of 49253161 is 16135294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33698025 + 15555136 = 5805^2 + 3944^2 .

It is a cyclic number.

It is not a de Polignac number, because 49253161 - 21 = 49253159 is a prime.

Together with 49253159, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49253167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24626580 + 24626581.

It is an arithmetic number, because the mean of its divisors is an integer number (24626581).

Almost surely, 249253161 is an apocalyptic number.

It is an amenable number.

49253161 is a deficient number, since it is larger than the sum of its proper divisors (1).

49253161 is an equidigital number, since it uses as much as digits as its factorization.

49253161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 49253161 is about 7018.0596321205. The cubic root of 49253161 is about 366.5596884423.

The spelling of 49253161 in words is "forty-nine million, two hundred fifty-three thousand, one hundred sixty-one".