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115448213 is a prime number
BaseRepresentation
bin1101110000110…
…01100110010101
322001020101011202
412320121212111
5214023320323
615242242245
72601202466
oct670314625
9261211152
10115448213
115a192a51
12327b6385
131abc216a
1411492d6d
15a206d28
hex6e19995

115448213 has 2 divisors, whose sum is σ = 115448214. Its totient is φ = 115448212.

The previous prime is 115448209. The next prime is 115448261. The reversal of 115448213 is 312844511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66699889 + 48748324 = 8167^2 + 6982^2 .

It is a cyclic number.

It is not a de Polignac number, because 115448213 - 22 = 115448209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115448413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57724106 + 57724107.

It is an arithmetic number, because the mean of its divisors is an integer number (57724107).

Almost surely, 2115448213 is an apocalyptic number.

It is an amenable number.

115448213 is a deficient number, since it is larger than the sum of its proper divisors (1).

115448213 is an equidigital number, since it uses as much as digits as its factorization.

115448213 is an evil number, because the sum of its binary digits is even.

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

The square root of 115448213 is about 10744.6830106802. The cubic root of 115448213 is about 486.9253722924.

The spelling of 115448213 in words is "one hundred fifteen million, four hundred forty-eight thousand, two hundred thirteen".