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148684031 is a prime number
BaseRepresentation
bin10001101110010…
…11110011111111
3101100202221010222
420313023303333
5301030342111
622430451555
73453536066
oct1067136377
9340687128
10148684031
1176a23571
1241963bbb
1324a5ac22
1415a651dd
15d0be7db
hex8dcbcff

148684031 has 2 divisors, whose sum is σ = 148684032. Its totient is φ = 148684030.

The previous prime is 148684021. The next prime is 148684033. The reversal of 148684031 is 130486841.

It is a strong prime.

It is an emirp because it is prime and its reverse (130486841) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-148684031 is a prime.

It is a super-2 number, since 2×1486840312 = 44213882148817922, which contains 22 as substring.

Together with 148684033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 148683982 and 148684000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148684033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74342015 + 74342016.

It is an arithmetic number, because the mean of its divisors is an integer number (74342016).

Almost surely, 2148684031 is an apocalyptic number.

148684031 is a deficient number, since it is larger than the sum of its proper divisors (1).

148684031 is an equidigital number, since it uses as much as digits as its factorization.

148684031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 148684031 is about 12193.6061524063. The cubic root of 148684031 is about 529.7709120289.

The spelling of 148684031 in words is "one hundred forty-eight million, six hundred eighty-four thousand, thirty-one".