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49782401 is a prime number
BaseRepresentation
bin1011110111100…
…1111010000001
310110200012121122
42331321322001
5100221014101
64535002025
71143100124
oct275717201
9113605548
1049782401
1126112289
1214809315
13a410356
14687c3bb
15458551b
hex2f79e81

49782401 has 2 divisors, whose sum is σ = 49782402. Its totient is φ = 49782400.

The previous prime is 49782391. The next prime is 49782461. The reversal of 49782401 is 10428794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29170801 + 20611600 = 5401^2 + 4540^2 .

It is a cyclic number.

It is not a de Polignac number, because 49782401 - 210 = 49781377 is a prime.

It is not a weakly prime, because it can be changed into another prime (49782461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24891200 + 24891201.

It is an arithmetic number, because the mean of its divisors is an integer number (24891201).

Almost surely, 249782401 is an apocalyptic number.

It is an amenable number.

49782401 is a deficient number, since it is larger than the sum of its proper divisors (1).

49782401 is an equidigital number, since it uses as much as digits as its factorization.

49782401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 49782401 is about 7055.6644619766. The cubic root of 49782401 is about 367.8679449979.

The spelling of 49782401 in words is "forty-nine million, seven hundred eighty-two thousand, four hundred one".