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148240847 is a prime number
BaseRepresentation
bin10001101010111…
…11100111001111
3101022221102012202
420311133213033
5300422201342
622413152115
73450012026
oct1065374717
9338842182
10148240847
11767505a7
124178b63b
13249342a1
141598b8bd
15d033332
hex8d5f9cf

148240847 has 2 divisors, whose sum is σ = 148240848. Its totient is φ = 148240846.

The previous prime is 148240817. The next prime is 148240879. The reversal of 148240847 is 748042841.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148240847 - 220 = 147192271 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148240847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148240817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74120423 + 74120424.

It is an arithmetic number, because the mean of its divisors is an integer number (74120424).

Almost surely, 2148240847 is an apocalyptic number.

148240847 is a deficient number, since it is larger than the sum of its proper divisors (1).

148240847 is an equidigital number, since it uses as much as digits as its factorization.

148240847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 148240847 is about 12175.4197874242. The cubic root of 148240847 is about 529.2440236700.

The spelling of 148240847 in words is "one hundred forty-eight million, two hundred forty thousand, eight hundred forty-seven".