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8946139 is a prime number
BaseRepresentation
bin100010001000…
…000111011011
3121211111210111
4202020013123
54242234024
6515425151
7136020016
oct42100733
917744714
108946139
115060404
122bb51b7
131b12c97
14128c37d
15bbaa94
hex8881db

8946139 has 2 divisors, whose sum is σ = 8946140. Its totient is φ = 8946138.

The previous prime is 8946137. The next prime is 8946151. The reversal of 8946139 is 9316498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8946139 - 21 = 8946137 is a prime.

Together with 8946137, it forms a pair of twin primes.

8946139 is a lucky number.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (8946137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4473069 + 4473070.

It is an arithmetic number, because the mean of its divisors is an integer number (4473070).

Almost surely, 28946139 is an apocalyptic number.

8946139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8946139 is an equidigital number, since it uses as much as digits as its factorization.

8946139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 8946139 is about 2991.0096957382. The cubic root of 8946139 is about 207.5926058798.

The spelling of 8946139 in words is "eight million, nine hundred forty-six thousand, one hundred thirty-nine".