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148261213 is a prime number
BaseRepresentation
bin10001101011001…
…00100101011101
3101022222110011001
420311210211131
5300423324323
622413430301
73450125302
oct1065444535
9338873131
10148261213
1176764931
124179b391
1324940639
14159950a9
15d0393ad
hex8d6495d

148261213 has 2 divisors, whose sum is σ = 148261214. Its totient is φ = 148261212.

The previous prime is 148261181. The next prime is 148261229. The reversal of 148261213 is 312162841.

148261213 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 can be written as a sum of positive squares in only one way, i.e., 81054009 + 67207204 = 9003^2 + 8198^2 .

It is an emirp because it is prime and its reverse (312162841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148261213 - 25 = 148261181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148264213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74130606 + 74130607.

It is an arithmetic number, because the mean of its divisors is an integer number (74130607).

Almost surely, 2148261213 is an apocalyptic number.

It is an amenable number.

148261213 is a deficient number, since it is larger than the sum of its proper divisors (1).

148261213 is an equidigital number, since it uses as much as digits as its factorization.

148261213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 148261213 is about 12176.2561159003. The cubic root of 148261213 is about 529.2682592084.

The spelling of 148261213 in words is "one hundred forty-eight million, two hundred sixty-one thousand, two hundred thirteen".