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115629893 is a prime number
BaseRepresentation
bin1101110010001…
…01111101000101
322001120121101122
412321011331011
5214100124033
615250203325
72602560251
oct671057505
9261517348
10115629893
115a2a74a5
1232883545
131ac56a72
14114dd261
15a240a98
hex6e45f45

115629893 has 2 divisors, whose sum is σ = 115629894. Its totient is φ = 115629892.

The previous prime is 115629889. The next prime is 115629923. The reversal of 115629893 is 398926511.

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., 84971524 + 30658369 = 9218^2 + 5537^2 .

It is an emirp because it is prime and its reverse (398926511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115629893 - 22 = 115629889 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115629803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57814946 + 57814947.

It is an arithmetic number, because the mean of its divisors is an integer number (57814947).

Almost surely, 2115629893 is an apocalyptic number.

It is an amenable number.

115629893 is a deficient number, since it is larger than the sum of its proper divisors (1).

115629893 is an equidigital number, since it uses as much as digits as its factorization.

115629893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 44.

The square root of 115629893 is about 10753.1341012748. The cubic root of 115629893 is about 487.1806620439.

The spelling of 115629893 in words is "one hundred fifteen million, six hundred twenty-nine thousand, eight hundred ninety-three".