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48497881 is a prime number
BaseRepresentation
bin1011100100000…
…0010011011001
310101020221120211
42321000103121
544403413011
64451251121
71126140145
oct271002331
9111227524
1048497881
11254151a3
12142a9aa1
13a080793
146626225
1543ceb21
hex2e404d9

48497881 has 2 divisors, whose sum is σ = 48497882. Its totient is φ = 48497880.

The previous prime is 48497819. The next prime is 48497887. The reversal of 48497881 is 18879484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44675856 + 3822025 = 6684^2 + 1955^2 .

It is a cyclic number.

It is not a de Polignac number, because 48497881 - 29 = 48497369 is a prime.

It is a super-2 number, since 2×484978812 = 4704088922980322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (48497887) 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, 24248940 + 24248941.

It is an arithmetic number, because the mean of its divisors is an integer number (24248941).

Almost surely, 248497881 is an apocalyptic number.

It is an amenable number.

48497881 is a deficient number, since it is larger than the sum of its proper divisors (1).

48497881 is an equidigital number, since it uses as much as digits as its factorization.

48497881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 49.

The square root of 48497881 is about 6964.0420015965. The cubic root of 48497881 is about 364.6763403429.

The spelling of 48497881 in words is "forty-eight million, four hundred ninety-seven thousand, eight hundred eighty-one".