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48612521 is a prime number
BaseRepresentation
bin1011100101110…
…0010010101001
310101110202211202
42321130102221
544421100041
64453533545
71130125316
oct271342251
9111422752
1048612521
1125493341
12143442b5
13a0c0a09
146655d0d
154403a9b
hex2e5c4a9

48612521 has 2 divisors, whose sum is σ = 48612522. Its totient is φ = 48612520.

The previous prime is 48612517. The next prime is 48612533. The reversal of 48612521 is 12521684.

48612521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44368921 + 4243600 = 6661^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 48612521 - 22 = 48612517 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (48612821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24306260 + 24306261.

It is an arithmetic number, because the mean of its divisors is an integer number (24306261).

Almost surely, 248612521 is an apocalyptic number.

It is an amenable number.

48612521 is a deficient number, since it is larger than the sum of its proper divisors (1).

48612521 is an equidigital number, since it uses as much as digits as its factorization.

48612521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 29.

The square root of 48612521 is about 6972.2679954230. The cubic root of 48612521 is about 364.9634566530.

The spelling of 48612521 in words is "forty-eight million, six hundred twelve thousand, five hundred twenty-one".