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148056947 is a prime number
BaseRepresentation
bin10001101001100…
…10101101110011
3101022121001221122
420310302231303
5300400310242
622405212455
73445314623
oct1064625563
9338531848
10148056947
1176635415
124170112b
132489b67c
1415940883
15cee8ad2
hex8d32b73

148056947 has 2 divisors, whose sum is σ = 148056948. Its totient is φ = 148056946.

The previous prime is 148056889. The next prime is 148056991. The reversal of 148056947 is 749650841.

It is an a-pointer prime, because the next prime (148056991) can be obtained adding 148056947 to its sum of digits (44).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148056947 - 28 = 148056691 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148056898 and 148056907.

It is not a weakly prime, because it can be changed into another prime (148056347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74028473 + 74028474.

It is an arithmetic number, because the mean of its divisors is an integer number (74028474).

Almost surely, 2148056947 is an apocalyptic number.

148056947 is a deficient number, since it is larger than the sum of its proper divisors (1).

148056947 is an equidigital number, since it uses as much as digits as its factorization.

148056947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 148056947 is about 12167.8653427789. The cubic root of 148056947 is about 529.0250821021.

The spelling of 148056947 in words is "one hundred forty-eight million, fifty-six thousand, nine hundred forty-seven".