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48781361 is a prime number
BaseRepresentation
bin1011101000010…
…1100000110001
310101210100110002
42322011200301
544442000421
64501315345
71131430466
oct272054061
9111710402
1048781361
1125599182
1214405b55
13a14c815
14669b66d
154438b0b
hex2e85831

48781361 has 2 divisors, whose sum is σ = 48781362. Its totient is φ = 48781360.

The previous prime is 48781339. The next prime is 48781373. The reversal of 48781361 is 16318784.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43230625 + 5550736 = 6575^2 + 2356^2 .

It is a cyclic number.

It is not a de Polignac number, because 48781361 - 214 = 48764977 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48781391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24390680 + 24390681.

It is an arithmetic number, because the mean of its divisors is an integer number (24390681).

Almost surely, 248781361 is an apocalyptic number.

It is an amenable number.

48781361 is a deficient number, since it is larger than the sum of its proper divisors (1).

48781361 is an equidigital number, since it uses as much as digits as its factorization.

48781361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 38.

The square root of 48781361 is about 6984.3654686736. The cubic root of 48781361 is about 365.3854962598.

The spelling of 48781361 in words is "forty-eight million, seven hundred eighty-one thousand, three hundred sixty-one".