Search a number
-
+
148379291 is a prime number
BaseRepresentation
bin10001101100000…
…01011010011011
3101100012110010022
420312001122123
5300441114131
622420141055
73451126454
oct1066013233
9340173108
10148379291
1176835615
124183778b
13249822c8
14159c612b
15d05e37b
hex8d8169b

148379291 has 2 divisors, whose sum is σ = 148379292. Its totient is φ = 148379290.

The previous prime is 148379269. The next prime is 148379327. The reversal of 148379291 is 192973841.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148379291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (148379221) 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, 74189645 + 74189646.

It is an arithmetic number, because the mean of its divisors is an integer number (74189646).

Almost surely, 2148379291 is an apocalyptic number.

148379291 is a deficient number, since it is larger than the sum of its proper divisors (1).

148379291 is an equidigital number, since it uses as much as digits as its factorization.

148379291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 44.

The square root of 148379291 is about 12181.1038498159. The cubic root of 148379291 is about 529.4087283009.

The spelling of 148379291 in words is "one hundred forty-eight million, three hundred seventy-nine thousand, two hundred ninety-one".