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48200021 is a prime number
BaseRepresentation
bin1011011111011…
…1100101010101
310100200210222222
42313313211111
544314400041
64441032125
71123456562
oct267674525
9110623888
1048200021
1125231431
1214185645
139ca802c
146589869
15437174b
hex2df7955

48200021 has 2 divisors, whose sum is σ = 48200022. Its totient is φ = 48200020.

The previous prime is 48200003. The next prime is 48200029. The reversal of 48200021 is 12000284.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40576900 + 7623121 = 6370^2 + 2761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-48200021 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48200029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24100010 + 24100011.

It is an arithmetic number, because the mean of its divisors is an integer number (24100011).

Almost surely, 248200021 is an apocalyptic number.

It is an amenable number.

48200021 is a deficient number, since it is larger than the sum of its proper divisors (1).

48200021 is an equidigital number, since it uses as much as digits as its factorization.

48200021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 48200021 is about 6942.6234954807. The cubic root of 48200021 is about 363.9282277080.

The spelling of 48200021 in words is "forty-eight million, two hundred thousand, twenty-one".