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48590309 is a prime number
BaseRepresentation
bin1011100101011…
…0110111100101
310101102122101002
42321112313211
544414342214
64453243045
71130003465
oct271266745
9111378332
1048590309
1125478689
1214333485
13a0b3881
14664bba5
1543ec1de
hex2e56de5

48590309 has 2 divisors, whose sum is σ = 48590310. Its totient is φ = 48590308.

The previous prime is 48590279. The next prime is 48590357. The reversal of 48590309 is 90309584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48580900 + 9409 = 6970^2 + 97^2 .

It is a cyclic number.

It is not a de Polignac number, because 48590309 - 220 = 47541733 is a prime.

It is a super-2 number, since 2×485903092 = 4722036257430962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48590359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24295154 + 24295155.

It is an arithmetic number, because the mean of its divisors is an integer number (24295155).

Almost surely, 248590309 is an apocalyptic number.

It is an amenable number.

48590309 is a deficient number, since it is larger than the sum of its proper divisors (1).

48590309 is an equidigital number, since it uses as much as digits as its factorization.

48590309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 48590309 is about 6970.6749314539. The cubic root of 48590309 is about 364.9078618999.

The spelling of 48590309 in words is "forty-eight million, five hundred ninety thousand, three hundred nine".