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48382381 is a prime number
BaseRepresentation
bin1011100010010…
…0000110101101
310101001002011001
42320210012231
544341214011
64445000301
71125146335
oct270440655
9111032131
1048382381
1125346443
1214253091
13a040038
1465d60c5
1543aa7c1
hex2e241ad

48382381 has 2 divisors, whose sum is σ = 48382382. Its totient is φ = 48382380.

The previous prime is 48382331. The next prime is 48382387. The reversal of 48382381 is 18328384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44342281 + 4040100 = 6659^2 + 2010^2 .

It is a cyclic number.

It is not a de Polignac number, because 48382381 - 27 = 48382253 is a prime.

It is a super-2 number, since 2×483823812 = 4681709582458322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 48382381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48382387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24191190 + 24191191.

It is an arithmetic number, because the mean of its divisors is an integer number (24191191).

Almost surely, 248382381 is an apocalyptic number.

It is an amenable number.

48382381 is a deficient number, since it is larger than the sum of its proper divisors (1).

48382381 is an equidigital number, since it uses as much as digits as its factorization.

48382381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 48382381 is about 6955.7444605161. The cubic root of 48382381 is about 364.3866122299.

The spelling of 48382381 in words is "forty-eight million, three hundred eighty-two thousand, three hundred eighty-one".