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149000479 is a prime number
BaseRepresentation
bin10001110000110…
…01000100011111
3101101101000020021
420320121010133
5301121003404
622441333011
73456324505
oct1070310437
9341330207
10149000479
117711a2a1
1241a97167
1324b3bc84
1415b08675
15d133454
hex8e1911f

149000479 has 2 divisors, whose sum is σ = 149000480. Its totient is φ = 149000478.

The previous prime is 149000473. The next prime is 149000497. The reversal of 149000479 is 974000941.

Together with next prime (149000497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149000479 - 219 = 148476191 is a prime.

It is a super-2 number, since 2×1490004792 = 44402285484458882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149000473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74500239 + 74500240.

It is an arithmetic number, because the mean of its divisors is an integer number (74500240).

Almost surely, 2149000479 is an apocalyptic number.

149000479 is a deficient number, since it is larger than the sum of its proper divisors (1).

149000479 is an equidigital number, since it uses as much as digits as its factorization.

149000479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 149000479 is about 12206.5752363224. The cubic root of 149000479 is about 530.1464873357.

The spelling of 149000479 in words is "one hundred forty-nine million, four hundred seventy-nine", and thus it is an aban number.