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48831109 is a prime number
BaseRepresentation
bin1011101001000…
…1101010000101
310101212212200121
42322101222011
5100000043414
64502341541
71132025515
oct272215205
9111785617
1048831109
1125622598
121442a8b1
13a169362
1466b1845
154448724
hex2e91a85

48831109 has 2 divisors, whose sum is σ = 48831110. Its totient is φ = 48831108.

The previous prime is 48831103. The next prime is 48831131. The reversal of 48831109 is 90113884.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42185025 + 6646084 = 6495^2 + 2578^2 .

It is a cyclic number.

It is not a de Polignac number, because 48831109 - 25 = 48831077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48831103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24415554 + 24415555.

It is an arithmetic number, because the mean of its divisors is an integer number (24415555).

Almost surely, 248831109 is an apocalyptic number.

It is an amenable number.

48831109 is a deficient number, since it is larger than the sum of its proper divisors (1).

48831109 is an equidigital number, since it uses as much as digits as its factorization.

48831109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 48831109 is about 6987.9259440838. The cubic root of 48831109 is about 365.5096626878.

The spelling of 48831109 in words is "forty-eight million, eight hundred thirty-one thousand, one hundred nine".