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149992079 is a prime number
BaseRepresentation
bin10001111000010…
…11001010001111
3101110020101110012
420330023022033
5301344221304
622514503435
73500624456
oct1074131217
9343211405
10149992079
11777372a6
1242294b7b
13250c8413
1415cc5b9d
15d27c16e
hex8f0b28f

149992079 has 2 divisors, whose sum is σ = 149992080. Its totient is φ = 149992078.

The previous prime is 149992049. The next prime is 149992081. The reversal of 149992079 is 970299941.

149992079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149992079 - 28 = 149991823 is a prime.

Together with 149992081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149992049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74996039 + 74996040.

It is an arithmetic number, because the mean of its divisors is an integer number (74996040).

Almost surely, 2149992079 is an apocalyptic number.

149992079 is a deficient number, since it is larger than the sum of its proper divisors (1).

149992079 is an equidigital number, since it uses as much as digits as its factorization.

149992079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 50.

The square root of 149992079 is about 12247.1253361758. The cubic root of 149992079 is about 531.3199318505.

The spelling of 149992079 in words is "one hundred forty-nine million, nine hundred ninety-two thousand, seventy-nine".