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48007121 is a prime number
BaseRepresentation
bin1011011100100…
…0011111010001
310100100000101112
42313020133101
544242211441
64432543105
71122024311
oct267103721
9110300345
1048007121
112510a508
12140b1a95
139c3b2a6
146539441
1543344eb
hex2dc87d1

48007121 has 2 divisors, whose sum is σ = 48007122. Its totient is φ = 48007120.

The previous prime is 48007097. The next prime is 48007123. The reversal of 48007121 is 12170084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 19704721 = 5320^2 + 4439^2 .

It is a cyclic number.

It is not a de Polignac number, because 48007121 - 210 = 48006097 is a prime.

Together with 48007123, 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 (48007123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24003560 + 24003561.

It is an arithmetic number, because the mean of its divisors is an integer number (24003561).

Almost surely, 248007121 is an apocalyptic number.

It is an amenable number.

48007121 is a deficient number, since it is larger than the sum of its proper divisors (1).

48007121 is an equidigital number, since it uses as much as digits as its factorization.

48007121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 48007121 is about 6928.7171251250. The cubic root of 48007121 is about 363.4420895052.

The spelling of 48007121 in words is "forty-eight million, seven thousand, one hundred twenty-one".