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109631413 is a prime number
BaseRepresentation
bin1101000100011…
…01011110110101
321122021212000201
412202031132311
5211031201123
614513440501
72500565053
oct642153665
9248255021
10109631413
115697a781
1230870131
1319936678
14107bb1d3
1599585ad
hex688d7b5

109631413 has 2 divisors, whose sum is σ = 109631414. Its totient is φ = 109631412.

The previous prime is 109631399. The next prime is 109631441. The reversal of 109631413 is 314136901.

It is an a-pointer prime, because the next prime (109631441) can be obtained adding 109631413 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100040004 + 9591409 = 10002^2 + 3097^2 .

It is a cyclic number.

It is not a de Polignac number, because 109631413 - 29 = 109630901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109631443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54815706 + 54815707.

It is an arithmetic number, because the mean of its divisors is an integer number (54815707).

Almost surely, 2109631413 is an apocalyptic number.

It is an amenable number.

109631413 is a deficient number, since it is larger than the sum of its proper divisors (1).

109631413 is an equidigital number, since it uses as much as digits as its factorization.

109631413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 109631413 is about 10470.5020414496. The cubic root of 109631413 is about 478.6062186422.

The spelling of 109631413 in words is "one hundred nine million, six hundred thirty-one thousand, four hundred thirteen".