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148279379 is a prime number
BaseRepresentation
bin10001101011010…
…01000001010011
3101100000101001212
420311221001103
5300424420004
622414050335
73450232253
oct1065510123
9340011055
10148279379
1176777546
12417a99ab
13249489a1
141599b963
15d03e96e
hex8d69053

148279379 has 2 divisors, whose sum is σ = 148279380. Its totient is φ = 148279378.

The previous prime is 148279357. The next prime is 148279381. The reversal of 148279379 is 973972841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148279379 - 28 = 148279123 is a prime.

Together with 148279381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148279399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74139689 + 74139690.

It is an arithmetic number, because the mean of its divisors is an integer number (74139690).

Almost surely, 2148279379 is an apocalyptic number.

148279379 is a deficient number, since it is larger than the sum of its proper divisors (1).

148279379 is an equidigital number, since it uses as much as digits as its factorization.

148279379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 50.

The square root of 148279379 is about 12177.0020530507. The cubic root of 148279379 is about 529.2898748743.

Subtracting from 148279379 its sum of digits (50), we obtain a square (148279329 = 121772).

The spelling of 148279379 in words is "one hundred forty-eight million, two hundred seventy-nine thousand, three hundred seventy-nine".